When I dip into life’s memory bank for moments of unalloyed joy, the afternoon of October 9, 1966, quickly surfaces. On a brilliant autumnal Sunday, I was sitting with my Grandfather Weigel behind first base in Baltimore’s old Memorial Stadium, which erupted in jubilation when Lou Johnson’s fly ball settled into the glove of center fielder Paul Blair and the underdog Orioles completed a four-game sweep of the World Series…