VIDEO: New Landrieu Attack Ad Features Her Laughing About Obamacare October 7th, 2014 Facebook Twitter55shares In a new attack ad by Crossroads GPS, Sen. Mary Landrieu (D-LA) can be seen laughing when asked if she wants to apologize for Obamacare. The ad is the first Louisiana Senate race ad in its latest $2.1 million ad buy. Watch it here: Facebook Twitter55shares