Jack Graham had planned for the airliner to explode over the Wyoming mountains; but the plane got out late, and the bomb went off a few minutes after takeoff — while he sat with his wife and son in an airport cafe. (PDX, Multnomah County; 1955) (For text and pictures, see http://offbeatoregon.com/1711d.united-629-dynamited-on-flight-to-pdx-471.html)