trial of michael jackson's doctor, conrad murray. and our cnn challenge. stick around if you think you can handle our test. the iowa caucuses are just a year away. a new poll shows republicans are divided over a nominee for the 2012 presidential race. but they're pretty united in their goal of defeating president obama. i want to bring in our senior political analyst gloria borger. great to see you. >> great to see you. we miss you here. >> i miss you guys too of course. atlanta is great, too. republicans are willing to compromise on key issues to get a winner. is that right? >> yeah, they are. it's all about electability. if you look at our poll, we asked republicans only if they prefer a nominee who agrees with you on the issues or can beat back barack obama. and as you can see, about 7 in