As the US midterms threaten Republican control of Capitol Hill, legal disputes and concerns over the seating of elected lawmakers raise questions about the limits of presidential power and the safeguards protecting congressional elections

NATO diplomats warn a Republican defeat could push Trump to pull more troops from Europe or cut alliance funding to secure his legacy

Is the US Senate now in play for the Democrats?

After every US election, Greece counts the Greek names in Congress. Greece has every reason to follow the fortunes of the Greek-American community

The FT’s chief economics commentator speaks to former Republican adviser Robert Kagan.

The president’s party is shifting spending on advertising to previously safe seats as election day approaches