President Obama telephoned former President George W. Bush from Air Force One in advance of Tuesday night's prime time speech regarding the end of the combat mission in Iraq - but the White House isn't saying what the two men discussed.

Obama called his predecessor while flying to Fort Bliss to meet with military personnel Tuesday morning ahead of his Oval Office address. The two spoke for several minutes according to Deputy Press Secretary Bill Burton. There were no details about the subject of their conversation and Burton said no read out of the phone call would be provided....