The film studio RKO's initials stood for Radio-Keith-... what?

Which of these elements is ferromagnetic at room temperature? Which is the first and shortest section of the small intestine? Which trio sang the 1993 hit "All for Love" from the film "The Three Musketeers"? The 1856 slogan "Free soil, free speech, free men, Frémont" belonged to the first presidential candidate of which party? Which five-and-dime chain's lunch counter in Greensboro, North Carolina, was the site of a famous 1960 civil rights sit… Which unit of length equals about 39.37 inches? Which unit of milk weighs roughly 8.6 pounds? Which Wyoming senator, known for his sharp wit, served as Senate Republican Whip from 1985 to 1995?