While Mike Allen’s anonymous win-the-day sources tell him that the Obama Administration would welcome a deal in the cat food commission around Social Security to “establish credibility with the markets” (with 10-year bond yields at a rock-bottom 2.56%, I’d say the credibility has been established), others in the Democratic coalition are slowly drawing a line in the sand against any cuts to Social Security benefits. This includes members in some of the most hard-fought seats in the country in November.