As the health care bill enters a critical phase and the Senate Finance Committee gets ready to vote on it as early as next week, we take a look at who might get left behind. We talk with Takeaway Washington correspondent, Todd Zwillich, and two ordinary Americans from the health care trenches: Dr. Harry Walker, director of MetroHealth Center for Community Health in Cleveland, Ohio; and Andre Singleton, a 23-year-old student and uninsured cancer survivor from Kansas City, Mo.