Scott Pelley investigates the evidence and speaks to victims' relatives and prosecutors of the Malaysia Flight 17 -- which was shot down over eastern Ukraine. Public monuments to the Confederacy have been generating controversy and sometimes violence over what critics consider their racist symbolism. Anderson Cooper examines the national debate. And Bill Whitaker gets unprecedented access to rehearsals of the modernized vision of this classic of the American musical theater "West Side Story." Those stories on this week's "60 Minutes."

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