| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | Lance Armstrong probe dropped | | Justice Department prosecutors said Friday that they are closing a criminal investigation of champion cyclist Lance Armstrong without filing charges that he used performance-enhancing drugs. |
| Candidates hit Nevada before caucuses | | Three of the four Republican candidates for president will make a flurry of campaign appearances across Nevada on Friday as they seek to get out the vote just a day before the state's caucuses. |
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