Alan Rudolph’s “The Moderns” is a wonderful, funny and twisted film set in 1920’s Paris, France. The front burner story is a triangle between Nick, his runaway wife and a cold as ice businessman that wants to obtain a higher social status. Nick(Keith Carradine)and Rachel(Linda Fiorentino)were married years ago and she bails out of the marriage. Years later, she shows up on the …