Pakistan, July 27 -- One hundred days before the US midterm elections, President Donald Trump's Republicans are staring down polling that points to the loss of the House of Representatives and a ferocious battle to retain the Senate.

Trump will not appear on the ballot on November 3, but the stakes for his presidency could hardly be higher.

A Democratic House would give the party control of powerful committees and subpoena authority, likely subjecting Trump's administration to two years of investigations and potentially exposing him to a third impeachment drive. Republicans enter the final stretch with a historically narrow House majority, weak presidential approval ratings and an electorate increasingly unhappy about living costs and t...