"Shall I compare thee to a summer's day?" begins a famous what by Shakespeare?

Which U.S. painter's 1876 work "Breezing Up (A Fair Wind)" shows a catboat named Gloucester at sea? A "fairy ring" on your lawn is made up of what? Which word means both a fake show of confidence in poker and a steep cliff face? A fall from a subway platform in 1943 left which "St. Louis Blues" composer completely blind? A famous 1793 painting by Jacques-Louis David depicts which assassinated Frenchman in his bathtub? A 1794 treaty resolving disputes between the U.S. and Britain is named for which chief justice who negotiated it? Which name belongs to both a famous 1914 W.C. Handy composition and Missouri's NHL team? A famous 1924 campaign slogan was "Keep Cool with..." whom?