Senate races 34 seats up for grabs Senate races Senate races defend twice as many seats 270toWin interactive map Senate races Senate races http://www.270towin.com... Thirty-four Senate races U.S. Senate race 270 to win says http://www.270towin.com... site interactive Senate map three to five Senate seats Senate 34 seats that are up for grabs http://www.270towin.com/2016-senate-election/ four seats and the presidency 34 Senators are up for reelection in 2016 According to 270 to Win 34 Senate seats up for grabs 2016 Senate Election Interactive Map http://www.270towin.com... 24 Republican Senators up for re-election 10 incumbent Democrats The current margin potentially pick up seven seats in the Senate Senate races Senate seats defend twice as many seats Senate races potentially gain control of the Senate Senate races Senate races various scenarios Senate races Senate races Senado de EEUU Senate may well be captured by the Democrats hold all ten and gain five more 270toWin interactive map Senate races 270towin.com Senate races 270towin.com simple reality Senate races Senate races may well be captured by the Democrats http://www.270towin.com... 270towin.com over Senate races Senate races