STOCKSHOTS: US Capitol building Americans head to the polls on November 6 for midterm elections with President Donald Trump's Republican party seeking to retain control of the House of Representatives and the Senate.Midterm elections are often seen as a referendum on the president and while turnout is traditionally lower than in presidential years, the results could have dramatic implications for the United States, and in particular for Trump's legislative agenda. Republicans are bracing for a likely loss of seats in the House of Representatives but are favored to hold on to the Senate. STOCKSHOTS of the US Capitol building