James Gilchrist of Orlando, Fla., attends a rally for slain teenager Trayvon Martin in Sanford, Fla., on Thursday. Trayvon was wearing a hoodie when he was shot. Roberto Gonzalez/AP hide caption

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Politeness seems to be falling by the wayside these days, with phrases like "you're welcome" replaced by the more casual "you bet" or "no problem." Good manners were more the norm in 1960, when these kids at a junior theatrical school learned how to curtsy and bow. Chris Ware/Keystone Features/Getty Images hide caption

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You know you're campaigning in the South if you've got comedian Jeff Foxworthy by your side. Foxworthy introduces Mitt Romney at a campaign stop at the Whistle Stop Cafe, Monday, in Mobile, Ala. John David Mercer/AP hide caption

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President Obama, seen here at a conservation event at the Department of the Interior in March 2012, has reportedly suggested a movie adaptation to Harvey Weinstein. Mandel Ngan/AFP/Getty Images hide caption

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Conservative talk show host Rush Limbaugh talks with guests at the White House in 2009. Limbaugh apologized March 3 to Georgetown University law student Sandra Fluke after he branded her a "slut" and "prostitute." Ron Edmonds/AP hide caption

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Google new privacy rules, which are set to take effect Thursday, have drawn scrutiny from privacy advocates and state officials. Jens Meyer/AP hide caption

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Leap day is the perfect moment to contemplate time. Here a man looks at the Seine river through the giant clock of the Orsay Museum in Paris. Pierre Verdy/AFP/Getty Images hide caption

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Chris McDonough, a Republican (left), and Robert O'Brien, a Democrat, argue about political issues outside a caucus in Portland, Maine, in February. Robert F. Bukaty/AP hide caption

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Depending on how you tally them up, there have been 26 debates so far this GOP primary season. How many is too many? Brian Snyder /Reuters /Landov hide caption

itoggle caption Brian Snyder /Reuters /Landov

The sofa can be the epicenter of our lives. It is home base, North Star, study carrel, dining booth and royal throne rolled into one. Dierk Schaefer/Flickr hide caption

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Americans are always searching for a "more perfect union." Volunteers roll up a giant banner printed with the Preamble to the U.S. Constitution during a demonstration against the Supreme Court's Citizens United ruling at the Lincoln Memorial in Washington on Oct. 20, 2010. Chip Somodevilla/Getty Images hide caption

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For so many reasons, Americans are seething. Here, a protester shouts as he holds an American flag after storming the Wisconsin state Capitol in Madison last March, after Republicans in the state Senate voted to curb collective bargaining rights for public workers. Justin Sullivan/Getty Images hide caption

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Jon Landau serves others at PhilaSoup, a soup group based in Philadelphia. Linton Weeks/NPR hide caption

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Many of this year's Super Bowl ads, like this one from CareerBuilders.com, play off our affection for animals. CareerBuilders.com/AP hide caption

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