for president in 2012. in a press release he said, after considerable deliberation and reflection, i've decided not to pursue the office of the presidency. this decision does not come easily or without regret." stay tuned to cnn for updates on this developing story. in louisiana, water from the mississippi river is gushing through nine floodgates on the morganza spillway today. federal government plans to open as many as 20 more. the move spares baton rouge and new orleans by flooding other areas that are upstream. in total the flooding has affected eight states from missouri to louisiana and mississippi. zero -- and lift-off for the final launch of "endeavour." >> space shuttle "endeavour" roared into space for the final time this morning. astronaut mark kelly is commanding the 16-day mission to the international space station. his wife, congresswoman gabrielle giffords who's recovering from a gunshot wound to the head, watched lift-off at ken space center. walking across the stage. something we all probably take