Which 1967 hit was a duet by Marvin Gaye and Kim Weston?

The 1970s hit "Heaven Must Be Missing an Angel" is on the soundtrack of which 2000 action comedy? Picasso's 1903 painting "The Tragedy" is from which period of his work, lasting from about 1901 to 1904? Which 1846 California revolt began on June 14, a date now known as Flag Day? Often performed in churches, which 1935 T.S. Eliot verse drama about Thomas Becket premiered at the Canterbury Festival? What is the official state song of Kentucky? Which Pennsylvania city, founded in 1741, was named at Christmastime? Fittingly, which Russian playwright wrote an 1892 short story called "After the Theatre"? What was the name of the Jetsons' family dog?