Who won the Best Actor Oscar for "Rain Man" (1988)?

What was President Reagan's alliterative description of the USSR, which he softened at a 1988 summit? Made mostly of calcium compounds, what is the main tissue beneath a tooth's enamel? IKEA founder Ingvar Kamprad famously drove an old 240 GL from which European auto company? PZZA is the stock symbol that made a lot of dough for John Schnatter and which company? Reichenbach Falls in Switzerland was the setting of which literary hero's reported death? Reinaldo Arenas's "Journey to..." which Cuban city is subtitled "A Novel in Three Trips"? Reportedly first used by the Romans for rain, which device was originally a sunshade? Richard Attenborough played Kriss Kringle in which 1994 remake of a Christmas classic?