They can keep secrets if they want to. If the Squad, Bernie, Warren, and Mayor Peter had been informed of Pearl Harbor, they would not have told anyone in time.
Yes they can keep secrets
We still do not know where obama was during the 12 hours of the benghazi massacre when Valerie Jarrett was acting for the WH
We still dont know who took Air Force One on a joy ride over NYC retracing the final moments of the 911 hijackers
We still dont know why Iran had to receive billions in cash US dollars via air pallet,. No ATMs?
There woulda bin a hang’in if the leaker, er Traitor, were caught.
Also could you imagine is the leaker pasta long-expected casualty counts. It’s pretty easy to assume the allies understood there would be stacks of American, Canadian, and British fallen across northern France. But they were in it to save the world.