With Obama pushing for cuts to Medicare, Medicaid and Social Security, the best chance liberals have of stopping those spending reductions could be the GOP’s blanket opposition to higher taxes.

Although GOP leaders insist that entitlement cuts should be a big part of any sweeping deficit deal, they have been unwilling to concede to Obama’s demand for higher taxes to get them…

“They won’t give, and that just creates the situation where nothing moves,” Rep. Raúl Grijalva (D-Ariz.) said of the GOP’s stand against new revenues. “And if nothing moves, then you can’t put Medicare or Social Security on the table. … It’s an interesting way to look at it, but there might be more than a kernel of truth in that.”…

“We’re making very clear that any Democrat who supports Social Security cuts should prepare for a primary fight,” said Adam Green, the group’s co-founder. “If you support Social Security cuts, you’re not a Democrat. There’s no bigger issue, there’s no keeping our powder dry.”