Emily Bazelon thinks that the youth and judicial inexperience of Elena Kagan, President Obama's selection to replace Justice Stevens on the Supreme Court, make her a good choice for the job. "What will Kagan be like as a Supreme Court justice? Much more than Sonia Sotomayor, Obama's choice for the last court vacancy, or the string of nominees going back to David Souter, we can't know for sure. Trust us, the White House is saying."