President Obama talks with a group of small-business owners following a town hall meeting on health care in Raleigh, N.C., on July 29. Sara D. Davis/Getty Images hide caption

itoggle caption Sara D. Davis/Getty Images

Martha Martin of Durham, Maine, works three jobs and still can't keep up with her family's medical bills. She has medical insurance, but she and her husband can't make all of the payments. Emilie Sommer for NPR hide caption

itoggle caption Emilie Sommer for NPR

Dr. Jack Wennberg in his Dartmouth office in Lebanon, N.H. John W. Poole / NPR hide caption

itoggle caption John W. Poole / NPR

President Obama defended the health care overhaul during an NPR interview Wednesday. Official White House Photo by Pete Souza hide caption

itoggle caption Official White House Photo by Pete Souza

Senate Majority Leader Harry Reid (D-NV) speaks at a rally of Democratic senators following a final series of procedural votes on the health bill Wednesday. Win McNamee/Getty Images hide caption

itoggle caption Win McNamee/Getty Images

Majority Leader Harry Reid of Nevada listens as Connecticut Sen. Christopher Dodd (left) speaks during a Democratic health care rally on Capitol Hill on Tuesday. Harry Hamburg/AP hide caption

itoggle caption Harry Hamburg/AP