need to add title here

Preview: Greg Mortenson

June 21, 2012 12:30 PM

He's written inspiring best sellers, including "Three Cups of Tea," but are the stories all true? Steve Kroft investigates on Sunday, June 24 at 7 p.m. ET/PT.

60MinutesOverTime

60 Minutes Overtime is a weekly web show that begins where the weekly television broadcast ends

CBS News on Facebook