are frightened by what may have, although yesterday in moscow there was a large demonstration between 50,000 and 80,000 people demonstrated against russia's taking in crimea, but still that's a very small minority. >> vladimir posner, sorry for the audio complications there from moscow. appreciate your insight. and nick paton walsh, thank you so much. in the meantime, we'll talk murder about the mysterious disappearance of a flight. more scrutiny for the men flying flight 370. the latest on what investigators have found as they look at the pilots of that missing plane. ♪ [ male announcer ] nothing says, "you're my #1 copilot," like a milk-bone biscuit. ♪ say it with milk-bone.