Cost estimate for insurance aid prompts questions

Alice Bolstridge, of Presque Isle, Maine, marches during a rally for health care reform, Saturday, July 18, 2009, in Portland, Maine. (AP Photo/Robert F. Bukaty)

March 2, 2012 7:57:28 AM PST
Cost estimates for a key part of President Barack Obama's health care overhaul law have ballooned by $111 billion from last year's budget, and a senior Republican lawmaker on Friday demanded an explanation.