Republicans have taken a clear lead over the last month on the question of whether likely voters favor a Republican-controlled Congress or one dominated by Democrats. Some polls using this generic question show the Republicans ahead by as many as 7 points among likely voters, a tally rivaling the polls immediately before the Republican landslide in 2010.Yet Republicans have made few, if any, polling gains in their fight for control of the Senate. CONT.
Nate Cohn, New York Times
Recent polls: Generic congressional ballot