![WBEZ's Worldview show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/030/301/small/worldview-podcast.jpg)
Summary: President Obama nominated former senator Check Hagel to be secretary of defense earlier today. If confirmed, Hagel would add a well-known Republican to Obama’s cabinet. Many Republicans have voiced uncertainty about the choice. Steve Clemons, Washington editor-at-large for The Atlantic, explains why Hagel is such a controversial pick.