Four recent polls — by Pew Research, Gallup Daily (Monday's release), CNN/ORC International and Fox News — all show both Obama and Romney receiving an average of 88 to 90 percent support from members of their own parties. As George Washington University political scientist John Sides points out, these results demonstrate that the two party bases are now "basically unified."
Kornacki takes a closer look at the GOP's support of Romney.
The Dish 