A bald eagle flies to sit on a branch over the Des Moines River, Tuesday, Jan. 8, 2013, in downtown Des Moines, Iowa. Iowa’s cold, icy winters drive the birds to rivers to forage for food when inland waters freeze over. (AP Photo/Charlie Neibergall)

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".