Americans head to the polls for elections that could define Trump's closing chapter

Al Jazeera reports that more than 230 million eligible voters across the United States can head to the polls on Tuesday[3]. The network says all 435 House seats and 35 of the Senate's 100 seats are being contested, and voters in 36 states will also elect governors[3].According to Al Jazeera, Senate Democrats need a net gain of four seats to reach a majority, and House Democrats need three seats[3].The Globe and Mail reports that most polling shows the Democrats poised to take control of the House[2]. The paper adds that gerrymandering and tight margins in key states mean a Democratic wave is "far from certain"[2].Forbes reports that Democrats lead in all seven Senate toss-up races in the final New York Times/Siena survey[4].The Globe and Mail reports that in a speech on Monday, Trump warned that Democratic midterm candidates are "communists" and "jihadists."[2]Pollster Natalie Jackson told Al Jazeera that "the president is very unpopular, Americans feel the pinch of high costs."[5]Al Jazeera notes that many mail, provisional and other ballots are counted after election night[3], so final tallies could take days or weeks.