| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | Delta introduces 5 fare classes | | Flying on Delta Air Lines will get more complicated starting March 1, and it's not clear if that's good for consumers or not. |
| Work-life balance is dead | | Ron Friedman says if companies want to raise productivity and loyalty, they should give workers flex time. |
| Obama fills in on 'Colbert Report' | | Barack Obama may be the President of the United States, but for a few minutes on Monday, he was also Stephen Colbert, outgoing host of "The Colbert Report." |
| Airline exec resigns over ... nuts | | A Korean Air executive has resigned for ordering a flight to be turned around and a flight attendant off the plane because she was served nuts in a bag instead of on a plate. |
| Frederickson speaks out 'Loser' flap | | When Rachel Frederickson won season 15 of "The Biggest Loser," her new look was met with more criticism than praise. She's now speaking out on the controversy. |
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