The race for the Missouri U.S. Senate is already starting . Democrats actually won at least one Senate seat in last year 's election . Republicans have one thing in their favor in 2014 - a growing electorate .
The race for the 2014 U.S. Senate is already starting . Democrats actually gained at least one Senate seat in last week 's election . Republicans have one thing in their favor in 2014 - a midterm electorate .