US midterms 2026 LIVE updates: US confirms strikes on Iran after Trump raises doubts about further attacks in final pitch to voters; Republican control of House and Senate under threat from Democrats

US midterm elections are congressional elections held halfway through a president’s term. They decide who represents each district in the House and which Senate seats change hands. They matter because Congress writes laws, approves spending, and can support or obstruct the president’s program.

In 2026, all House seats are up for election. One-third of Senate seats are also being contested. Voters are therefore choosing lawmakers rather than a president. The article says the outcome will determine whether Democrats can “neuter” Trump’s agenda or whether he keeps his grip on government until the November 2028 presidential election.

The election is occurring as Trump’s approval rating approaches a record low, according to a Reuters/Ipsos poll cited by the article. Other polls suggested a Democratic “blue wave,” although the congressional contest could be tightening. The results will show whether Republicans retain control of both chambers or Democrats gain power in one or both.

Congress has two chambers with different sizes and rules. The House has 435 voting representatives, so a party needs 218 seats for a majority. The Senate has 100 senators, so 51 seats normally constitute a majority. These thresholds matter because the majority party controls much of the legislative schedule and committee structure.

The 2026 election contests every House seat but only about one-third of Senate seats. That means a party can win control of the House by gaining or defending enough district seats, while the Senate outcome depends on a smaller group of statewide races. Alaska’s Senate contest, involving Republican Dan Sullivan and Democrat Mary Peltola, is described as one of the cycle’s bitterest battles.

A narrow majority can still be powerful, but individual lawmakers become crucial. In the Senate, a 50-50 split may be organized by the party whose vice president breaks ties. The article presents the central question as whether Democrats can take one or both chambers from Republicans.

Congress can limit a president without replacing him. If Democrats win the House, they could refuse or reshape funding, investigate the administration, subpoena officials, and begin impeachment proceedings. Impeachment would not itself remove Trump. Removal requires a Senate conviction after a House impeachment, making Senate control especially important.

If Democrats win the Senate, they could block or delay presidential appointments, including judges and senior officials. The Senate also participates in approving treaties and can influence national security policy. If Democrats control both chambers, they could combine investigations, legislation, funding decisions, and appointment refusals to challenge Trump across government.

The article frames the stakes as whether Democrats can “neuter Trump’s agenda.” It also says Republicans currently control both chambers, though polling offered competing signals: a Reuters/Ipsos poll suggested a tightening contest, while other polling pointed to a Democratic wave. The practical impact would depend on margins and party unity.

Election results arrive in stages, not all at once. A red mirage is an early Republican advantage that later weakens as more Democratic votes are counted. A blue mirage is the reverse: Democrats lead early, but later Republican votes erase or reduce that margin. Neither is a final result.

The mechanism is timing. Election-day votes, early votes, and mail ballots may be counted or reported on different schedules. Urban and rural areas can also report at different speeds. If one party’s strongest areas report first, the partial totals can exaggerate its national or statewide position.

The article does not discuss these terms directly, so this explanation uses established election knowledge. In the 2026 contests, early returns should therefore be treated cautiously, especially in close Senate races such as Alaska’s. Final outcomes may depend on outstanding ballots, recount rules, and the order in which election offices publish results.

A super PAC is a political committee that may raise unlimited money from individuals, companies, and other groups. It can pay for advertising, organizing, and other independent political activity. The key legal limit is that it cannot coordinate its spending directly with a candidate’s campaign.

The article says Elon Musk spent about $677 million during the 2025-26 cycle, more than any other donor in a single midterm cycle. About $300 million went to his own super PAC. Another $240 million went to a Senate leadership fund supporting Republican nominee Ken Paxton in Texas. Those funds can promote favored candidates or attack opponents through independent campaigns.

This spending can dramatically increase a candidate’s visibility, but it cannot guarantee victory. Musk-backed spending helped support Paxton’s campaign, while the article notes that Musk’s preferred Wisconsin judicial candidate lost after a $67 million expenditure. Musk’s influence therefore depends on both money and voter response.

The Strait of Hormuz is a narrow waterway linking the Persian Gulf with the Gulf of Oman and the Arabian Sea. It is one of the world’s most important routes for oil and liquefied natural gas shipments. Disruption can raise prices and delay supplies because many exporters and importers depend on the passage.

Some oil can bypass the strait through pipelines across Saudi Arabia or the United Arab Emirates, though pipeline capacity is limited. Ships may also use longer routes around the Arabian Peninsula, where security and canal access permit. Governments can release strategic petroleum reserves, while companies can draw on stored inventories or switch suppliers.

Longer-term alternatives include domestic oil production, renewable electricity, nuclear power, efficiency measures, and other fuels. The article links falling oil prices and Iran-related fighting, including reported blasts on Qeshm Island, to energy concerns. It does not identify specific bypass routes, so those alternatives come from established energy knowledge.

Separation of powers divides federal authority among the president, Congress, and the courts. The president leads the executive branch, but Congress writes laws, controls taxation and spending, oversees agencies, and shares responsibility for national security. This prevents one branch from making every major decision alone.

Congress can refuse funding, attach conditions to appropriations, investigate officials, and issue subpoenas. The House can impeach, while the Senate conducts the trial and can convict and remove an official. The Senate also confirms senior appointments and judges. Congress has constitutional authority over declaring war, although presidents have sometimes ordered military operations without a formal declaration.

The article shows why these checks matter in 2026. A Democratic Congress could obstruct Trump’s agenda, scrutinize his administration, and challenge funding decisions. Senate control would be especially important for appointments. The courts can also review disputed government actions, adding another institutional check.