GOP Aim: Cut $4 Trillion  —  Budget Plan Would Transform Medicare, Reset Budget Debate; Democrats Balk  —  Republicans will present this week a 2012 budget proposal that would cut more than $4 trillion from federal spending projected over the next decade and transform the Medicare health program …

Privatizing Medicare  —  So they're really going to propose it.  —  More when we have some details.  But two key points:  —  1. Privatizing and voucherizing Medicare does nothing whatsoever to control costs.  We've seen that from the sorry history of Medicare Advantage.

House GOP's ‘Radical’ Plan For Medicare, Medicaid  —  If anything will make it easier for House conservatives to back off on shutting down the government this week, it's the prospect of a different, and much larger fight over the federally funded social safety net.

In Reversal, 9/11 Plotter to Be Tried by Military Panel  —  WASHINGTON — In a major reversal, the Obama administration has decided to try Khalid Sheikh Mohammed for his role in the attacks of Sept. 11 before a military commission at Guantánamo Bay, Cuba, and not in a civilian courtroom.

Obama launches reelection campaign with e-mail, web video  —  The president pledges to focus on his job, but will pick up the tempo of campaigning this month with several fundraisers.  The campaign is hoping to raise a record $1 billion.  —  President Obama speaking in March (Jewel Samad / AFP/Getty Images))