roberts and elena kagan? >> there is not bad blood. this is nothing personal. but even in kagan's one-year tenure, which is obviously not that long, it's been clear that they see things very differently. john roberts and barack obama, who was after all, elena kagan's boss, have very different conceptions of how the american government should work. that's something we're going to see play out over the entire obama presidency. elena kagan is an obama supporter. through and through. she believes in his conception of how the government works, and that conflict, while it's not personal, is very real. >> jeff toobin, thanks very much. jeff is going to be watching all of this unfold in the weeks and months to come with all of us here at cnn. thank you. here are some things you may not necessarily know about elena kagan. she is the first sitting solicitor general nominated to the court since thurgood marshal, for whom she once clerked. he nicknamed her "shorty." if confirmed, kagan would be the