convention. the texas congressman will join us live this hour. we ll talk about his presidential hopes and the 2012 election. and if you re fuming about surprise credit card fees or lousy service, there s now a place where you can share your complaints with the entire world. i m wolf blitzer. you re in the situation room. this is just coming in to the the situation room right now. take a look at this. wow. it s a huge, huge crowd that has gathered at tahrir square in cairo. tens of thousands of people back at the site where last year s revolution started. the demonstrators are protesting the moves made by the egyptian military leadership, which they say could hurt the presidential election results. also, only moments ago we have confirmed that the former president of egypt, hosni mubarak, has suffered a stroke. that according to officials in egypt. his heart apparently has stopped. but it was revived. he needed critical condition care. he has received it. we re monito