Gorbachev's 1980s reforms included perestroika, or restructuring, and which Russian word for openness?

The 1980 TV docudrama "Death of a Princess" dramatized the execution of a princess from which country? "Hungry Heart" (1980) was the first Top 10 hit for which singer? Which "Saturday Night Live" star's catchphrase as a cranky Gumby was "I'm Gumby, dammit!"? On which 1980s TV series did Bruce Willis and Cybill Shepherd play private detectives? Which actor played Snake Plissken in 1981's "Escape from New York" and 1996's "Escape from L.A."? Who had a No. 1 hit in 1981 with "9 to 5"? "Watching the Wheels" was a posthumous 1981 hit for which singer? Joan Collins joined which prime-time soap opera in 1981 as the scheming Alexis?