Same Sex Marriage at the Supreme Court, Obama's Push on Guns

The Supreme Court heard two same-sex marriage cases this week. We look at the similarities and differences between these cases and the shift in  public opinion on same-sex marriage.  Also, Obama urges Congress to pass gun legislation. Joining Doyle McManus of the Los Angeles Times: Joan Biskupic, Reuters; Pete Williams, NBC News; John Harwood, CNBC and New York Times; Dan Balz, Washington Post.