Wednesday, Feb. 2, President Barack Obama delivered an ultimatum to Egyptian Vice President Omar Suleiman and the army and security chiefs: Mubarak must be removed in the coming hours or else US aid to Egypt will be cut off, debkafile's Washington sources exclusively report. Pressure on the Egyptian armed forces to oust the president forthwith was further applied by Secretary of State Hillary Clinton who called Vice President Omar Suleiman, US Defense Secretary Robert Gates who called Egyptian defense minister Mohamed Tantawi, and US armed forces chief Adm. Mike Mullen in a telephone call to the Egyptian chief of staff...