(CNN) Democrats now lead Republicans by 52% to 41% in a nationwide generic Congressional ballot according to a new CNN poll conducted by SSRS and released Tuesday. The blue lead has increased slightly from eight percentage points in June of this year to an 11 percentage point difference in the most recent poll. Despite Democrats' advantage on that measure, a plurality (48%) in the same poll believe Republicans will maintain control of Congress after the election, compared with 40% who believe Democrats will gain control. Among those who favor the Democratic candidate in their district, 64% say they think Democrats...
