Cbs news in washington. today just past the midday point, unofficial sources started to report additional naval combat action in the same tonkin gulf. >> now i would like to review briefly in chronological order, the unprovoked attacks that took place today, august 4th. >> we know now for sure the second tonkin gulf incident didn't happen. but the johnson administration pretty much dismissed evidence indicating that an attack actually hadn't taken place. >> there was this acute political pressure from the right wing to be strong, stand up to communist aggression. >> certainly, i think a more p...