In Toland's words, " Roosevelt didn't feel like arguing. He agreed. He was impatient to take his sinus problem to Warm Springs...".
It was a vacationy time in the Capitol. Marshall had just returned from Florida and was trying to get back up to speed on what had been happening with this Japan thing.
Not so at Station Hypo, Admiral's Kimmel's code-breaking shop at Pearl Harbor where fleet intelligence officer Ed Layton and chief cryptanalyst Joe Rochefort were hustling to answer a pertinent question from scanty evidence. They knew where a few of the Jap carriers were. Where were the others?" Layton and Rochefort spent the weekend in the office.
Around 43 degrees north, Admiral Nagumo nodded appreciatively at seeing the meteorologists' early weekend reports. Odds suggested better weather for midweek when his Kido Butai would arrive at its final refueling station.