Don Lemon vs. Bill O'Reilly: Made for TV, waged on Twitter

CNN's Don Lemon and FOX News' Bill O'Reilly may not go head to head on television -- O'Reilly hits cable airwaves at 8 p.m., Lemon's show begins at 10 -- but it takes more than a two-hour primetime discrepancy to keep two TV titans from squaring off on social media.

Top 10 things given up for Lent

Ash Wednesday marks the beginning of Lent.  Many people give up something the Lenten season. is tracking what people on Twitter are giving up, here's a look at the top 10.