other Washington Post Sunday crossword, February 19 (contains answers)

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Title: Prez Clippings
Theme entries: presidential trivia

Examples:
22A, Carter was the first president ___: born in a hospital
3D, W.H. Harrison attended it: medical school

Things I learned, with web links so you can learn them too:

39A, Quince, e.g.: POME
2D, Coolidge translated it: Dante’s Inferno [this is noted on many websites, but I’m amused by the context on the one linked]
56D, Middle Eastern bigwig: AGHA
68D, Plum variety: GREENGAGE
85D, “Brat Farrar” author: TEY [I can never remember her]
91D, Marceau’s everyman: BIP
94D, Mesta superlative: MOSTEST
100D, Saint of Seville: ISIDORE
105D, Order from an 88 Across [tsar]: UKASE
117D, Casino game: FARO [This game is actually pretty fun. Play it here. Beautifully designed site, too.]

Overall:
I changed 3 squares and looked up 10 things.