NBA superstar LeBron James calls Tim Tebow a “winner” on Twitter after Tebow leads an unbelievable 4th-quarter comeback against the Miami Dolphins in Week 7 of the 2011 NFL regular season. Read more about this story: “Live Blog: Miami Heat’s LeBron James tweets congratulations to Tim Tebow” bit.ly “LeBron James comes to Tim Tebow’s defense on Twitter” (from August 2011) yhoo.it “LeBron mocked for…