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When M. Night Shyamalan's fantasy film The Last Airbender — panned by both critics and fans of the wildly popular TV series on which it was based — flopped majestically at the box office, it looked like the end of a valuable franchise.

But now, with The Legend of Korra, which premieres Saturday on Nickelodeon, the creators of Avatar: The Last Airbender have been given a rare chance to rebuild a world that was taken away from them.

Imagine an era when mainstream music wasn't filled with synthesizers. When electronic music wasn't a force propelling everything from pop and hip-hop to music from the underground. There was a time when this world existed. Then Kraftwerk emerged, and the world we knew changed.

After rescuing his neighbor from a burning building, Newark Mayor Cory Booker joins an elite list of politicians who have performed heroic acts while in office. While it's inspiring anytime a stranger reaches out to help someone, it's not often that the person risking his or her life happens to be an elected official.

We've compiled a partial list of past heroic feats performed by pols.

Before the iceberg, before the lifeboats, before the sinking, there was the dinner.

On the evening of April 14, 1912, the first-class passengers aboard the Titanic sat down for a sumptuous 10-course meal. The menu included oysters, filet mignon, poached salmon, chicken Lyonnaise, foie gras, roasted pigeon, lamb with mint sauce and Punch Romaine, a palate-cleansing ice flavored with oranges and drenched in champagne.

When President Obama recently complained to news media executives about their ostensibly even-handed "pox on both of your houses" coverage of the partisan battles in Washington, it might have seemed like, well, a partisan shot from a Democratic president.