Is there any evidence that the two stories were supposed to occur on the same day? The first encounter between Alison and Noah is so different in both versions, that it works better for me if these are, in fact, different days,

Last week, Allison was dressed differently on the beach in each account. This week, it was Noah—no tie in his account, with tie in hers.

Prior to being elected Vice President in late 1944, Truman headed a US Senate special committee to investigate war profiteering and waste. That was the context for the Truman reference.