2016 Senator Approvals

Via Public Policy Polling, approval ratings of Senators up for re-election in 2016 (My highlight):

Senator	Net Approval
Chuck Grassley (Iowa)	59/28 (+31)
Richard Blumenthal (Connecticut)	54/32 (+22)
Mike Crapo (Idaho)	48/29 (+19)
Kelly Ayotte (New Hampshire)	49/32 (+17)
John Boozman (Arkansas)	40/27 (+13)
Jerry Moran (Kansas)	43/30 (+13)
Mark Kirk (Illinois)	38/28 (+10)
Lisa Murkowski (Alaska)	46/38 (+8)
Rand Paul (Kentucky)	43/36 (+7)
Johnny Isakson (Georgia)	39/33 (+6)
Richard Burr (North Carolina	33/28 (+5)
Marco Rubio (Florida)	40/41 (-1)
Michael Bennet (Colorado)	30/35 (-5)