Mark Knoller's Twitter pic (@markknoller) [FOLLOW] Pres Obama returns to WH from Colorado trip as Marine One comes in for landing on South Lawn. http://t.co/ZRpo06Nk - 2012-06-29 23:57:35 Report Pic It's Porn! Broken Pic! Disgusting! Awesome. Child Porn Tweet count: 4 More pics from @markknoller more pics from @markknoller -->
