Defense pokes holes in witness credibility

Oscar Pistorius lawyer pokes hole in defense testimony.

Erin Burnett explains: Carried Interest

CNN's Erin Burnett explains how the carried interest tax loophole works.

'How I Met Your Mother' hints at tragic ending

Did "How I Met Your Mother" just unleash a major hint about the series finale? After the most recent episode, "Vesuvius," aired on CBS Monday, critics noted a particular scene that seems to hint at why Ted Mosby has been telling his children the long story of how he and his wife met: Their mother is dead or dying