Close race for US Senate majority "Iran": RealClearPolitics' average national polls show Democrats leading by 8.2 percentage points in congressional elections. 51.4% support Democrats and 43.2% support Republicans. The Economist and Yogov poll shows that 44 percent of voters expect the Democrats to take over the House of Representatives. On the other hand, 31% expect the Republicans to retain control of this parliament. The Senate race is closer; 39% expect the Democrats to win and 36% expect the Republicans to keep their majority. The supremacy of the Democrats in the polls of the House of Representatives, in contrast to the uncertainty of the result of the Senate, raised the possibility of creating a different combination in both houses of Congress. Read the full text here.