What's the problem with Gary Gensler? Sen. Bernie Sanders has placed a hold on Obama's pick to lead the Commodity Futures Trading Commission, suggesting that Gensler is not independent enough to "create a new culture in the financial marketplace." Elana Schor examines the controversy and finds that the political jockeying obscures a very real debate over how to regulate the sprawling derivatives market. Meanwhile, Michelle Goldberg asks if the threat of homegrown extremism is real. And Paul Waldman thinks conservative critics have gone absolutely cuckoo. As always, subscribe to our RSS feed to receive our articles as soon as they are published. Also, follow us on Twitter for highlights from our blog. --The Editors