South Carolina Governor Mark Sanford addresses the media at a news conference at the State House in Columbia, South Carolina in this September 10, 2009 file photograph. Former Republican South Carolina Governor Mark Sanford will announce on Wednesday that he’s running for the congressional seat he once held, he told Reuters on January 15, 2013. REUTERS/Joshua Drake/Files (UNITED STATES – Tags: POLITICS)

Alexandra Petri writes the ComPost blog, offering a lighter take on the news and opinions of the day. She is the author of "A Field Guide to Awkward Silences".