Election day 2014 is less than a year away, and Senate Democrats running for re-election know it in their bones, especially these red- or purple-state democrats:
- Mark Begich, Alaska
- Mark Pryor, Arkansas
- Mark Udall, Colorado
- Mary Landrieu, Louisiana
- Jeanne Shaheen, New Hampshire
- Tom Udall, New Mexico
- Kay Hagan, North Carolina
- Mark Warner, Virginia
And how do you think Democrats looking to replace retiring Democratic Senators in West Virginia, Montana, South Dakota, Iowa and Michigan are feeling right about now?
That's 13 Democratic Senate seats that, if Obamacare implodes, would be up for grabs.