Obama 2011: Apply less generous inflation measures to both Social Security and tax brackets, but boost benefits for the oldest Social Security beneficiaries with low incomes.___ NEW SPENDING Obama: $200 billion in new economic "stimulus" initiatives, including payroll tax cuts, continued write-offs of business equipment purchases, extended unemployment benefits, help for borrowers "under water" on their mortgages, and new spending on infrastructure. House GOP: No proposal. Obama 2011: $43 billion to extend unemployment benefits to the long-term jobless. ___ DEBT LIMIT Obama: Permit the president to obtain increases in the government's borrowing cap, currently set at $16.4 trillion, without approval by Congress. House GOP: Retain longstanding requirement that debt limit increases be enacted by Congress. Obama 2011: Immediate unspecified increase in the debt limit and additional increase not subject to congressional approval.