You knew they would be, right? The WaPo reports: House Republicans have started to weigh a series of legislative proposals targeting Social Security, Medicare and other entitlement programs, part of a broader campaign to slash federal spending that could force the new majority to grapple with some of the most difficult and delicate issues in American politics. Only weeks after taking control of the chamber, GOP lawmakers under new Speaker Kevin McCarthy (R-Calif.) have rallied around firm pledges for austerity, insisting their efforts can improve the nation’s fiscal health. They have signaled they are willing to leverage the fight over the debt ceiling — and the threat of a fiscal doomsday — to seek major policy concessions from the Biden administration. So far, the party has focused its attention on slimming down federal health care, education, science and labor programs, perhaps by billions of dollars. But some Republicans also have pitched a deeper examination of entitlements, which account for much of the government’s annual spending — and reflect some of the greatest looming fiscal challenges facing the United States. In recent days, a group of GOP lawmakers has called for the creation of special panels that might recommend changes to Social Security and Medicare, which face genuine solvency issues that could result in benefit cuts within the next decade. Others in the party have resurfaced more detailed plans to cut costs, including by raising the Social Security retirement age to 70, targeting younger Americans who have yet to obtain federal…