When Obamacare was passed in its final form in March 2010, Sen. Tom Harkin said, "I think of this bill as a starter home. It's not the mansion of our dreams, but it has a solid foundation."
MONICA CROWLEY: The left's plan for single-payer health care →
"Time will tell how strong these recruits are," he said. "I think Democrats are putting a lot of [stock] in a presidential cycle and presidential turnout helping their cause down the ballot."
Democrats Joe Sestak, Ted Strickland, Jason Kander bid to unseat freshman Republican senators →