Party whips can be found at No. 12 on which street, named for a 17th-century Treasury secretary?

One of Saturn's many moons is named for which two-faced Roman god? A person's tax burden can be lowered by exploiting what? Opened in 1825 to connect New York City with the Great Lakes, which waterway is now used mainly by pleasure boats? Since 1934, only one pitcher has won more than 30 games in a season. Who was this Detroit Tiger in 1968? Which city, sharing its name with a grape used in grape jelly, is the capital of New Hampshire? Peggy Cass played Agnes Gooch opposite Rosalind Russell in which title role? "Physical" by which singer was No. 1 on the charts longer than any other song of the 1980s? How many playing squares are on a standard chessboard?