US - 2016 GOP Presidential Primary: Donald Trump 25% - Ben Carson 22% - Marco Rubio 13% - (NBC/WSJ 10/19/2015) chart & more info

Ben Carson
Donald Trump
  • Trump +3

US - 2016 Democratic Presidential Primary: Hillary Clinton 48% - Bernie Sanders 21% - Joe Biden 17% - (Monmouth Univ. 10/19/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +27

US - 2016 Presidential Election: Joe Biden 52% - Ben Carson 44% - (CNN/ORC 10/19/2015) chart & more info

Ben Carson
Joe Biden
  • Biden +8

US - 2016 Presidential Election: Joe Biden 53% - Donald Trump 43% - (CNN/ORC 10/19/2015) chart & more info

Donald Trump
Joe Biden
  • Biden +10

US - 2016 Presidential Election: Ben Carson 48% - Bernie Sanders 46% - (CNN/ORC 10/19/2015) chart & more info

Bernie Sanders
Ben Carson
  • Carson +2

US - 2016 Presidential Election: Bernie Sanders 53% - Donald Trump 44% - (CNN/ORC 10/19/2015) chart & more info

Donald Trump
Bernie Sanders
  • Sanders +9

US - 2016 Presidential Election: Ben Carson 48% - Hillary Clinton 47% - (CNN/ORC 10/19/2015) chart & more info

Hillary Clinton
Ben Carson
  • Carson +1

US - 2016 Presidential Election: Hillary Clinton 50% - Donald Trump 45% - (CNN/ORC 10/19/2015) chart & more info

Donald Trump
Hillary Clinton
  • Clinton +5

US - 2016 Democratic Presidential Primary: Hillary Clinton 45% - Bernie Sanders 29% - Joe Biden 18% - (CNN/ORC 10/19/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +16

US - 2016 Senate: Donna Edwards 38% - Chris Van Hollen 28% - (Wash Post/Univ. of Maryland 10/13/2015) chart & more info

Chris Van Hollen
Donna Edwards
  • Edwards +10

US - 2016 Presidential Election: Joe Biden 46% - Ben Carson 42% - (FOX News 10/13/2015) chart & more info

Ben Carson
Joe Biden
  • Biden +4

US - 2016 Presidential Election: Joe Biden 44% - Marco Rubio 43% - (FOX News 10/13/2015) chart & more info

Marco Rubio
Joe Biden
  • Biden +1

US - 2016 Presidential Election: Joe Biden 50% - Donald Trump 37% - (FOX News 10/13/2015) chart & more info

Donald Trump
Joe Biden
  • Biden +13

US - 2016 Presidential Election: Joe Biden 46% - Jeb Bush 41% - (FOX News 10/13/2015) chart & more info

Jeb Bush
Joe Biden
  • Biden +5

US - 2016 Presidential Election: Joe Biden 46% - Carly Fiorina 42% - (FOX News 10/13/2015) chart & more info

Carly Fiorina
Joe Biden
  • Biden +4