welcome back to "hardball." in a letter today to congress al leaders, president obama outlined four republican ideas for thursday's summit, or from last thursday's summit that he said he's exploring right now. they are senator coburn suggesting to curb medicare fraud by having undercover investigators disguised as patients. and republicans to expand medical malpractice reform pilot programs. senator grassley suggested to increase payment to doctors who treat medicaid patients. and senator grasso's suggestion to access to health care savings accounts. president obama noted his proposal does not include extra medicare benefits for certain states like florida. that's something senator john mccain had criticized at last night's summit -- last week's summit. let me go right now to senator