We have Tuesday’s top news…How dire is the forecast for the insolvency of Medicare and Social Security? What is the Obama prescription for all this red ink? What charges have been filed against the U.S. soldier accused of killing five fellow service members? What did lawmakers hear concerning the keys to victory in Afghanistan? Why are NASA officials concerned about yesterday’s shuttle launch? What has the NTSB discovered about the pilots of the ill-fated commuter plane that crashed in Buffalo back in February? Why is the outlook for GM even more bleak than before? And what happened on Wall Street Tuesday? We have the answers as we bring you the biggest stories for Tuesday, May 12, 2009.