Contested primaries aren't always a bad thing but when you look at which GOP candidates voters like this year and which ones they don't it's pretty clear they were indeed a bad thing for Republicans at least this time around.
Here are the favorability numbers:
Candidate
State
Favorability
Spread
Ron Johnson
Wisconsin
46/34
+12
John Raese
West Virginia
41/35
+6
Rand Paul
Kentucky
45/40
+5
Marco Rubio
Florida
40/37
+3
Pat Toomey
Pennsylvania
36/33
+3
Rob Portman
Ohio
29/28
+1
Roy Blunt
Missouri
41/42
-1
Dino Rossi
Washington
43/48
-5
Carly Fiorina
California
34/42
-8
Mark Kirk
Illinois
26/34
-8
Kelly Ayotte
New Hampshire
35/47
-12
Joe Miller
Alaska
36/52
-16
Sharron Angle
Nevada
36/52
-16
Ken Buck
Colorado
26/46
-20
Christine O’Donnell
Delaware
29/50
-21
http://publicpolicypolling.blogspot.com/