Tues, July 28
2012—Three elderly troublemakers infiltrate Oak Ridge, Tenn. and spill blood on its nuclear weapons plant. 2006—High winds topple the North Church’s spire onto Pleasant Street. 1967—Gov. Reagan signs a gun control bill 87 days after armed Black Panthers visit the Calif. State House. 1945—A kamikaze biplane sinks the “tin can” USS Callaghan off Okinawa. 1945—A B-25 hits the Empire State Building; six floors burn, 13 die, 26 are injured. Among them: elevator operator Betty Oliver. The cable of the elevator evacuating her snaps; it plummets 80 stories. She survives that, too. 1942—USS YP-422 is commissioned in Neponset, Mass. It’s briefly commanded by Lieut. L. Ron …