What is referred to by 'clinton minus nixon'?

Based on the clue 'clinton cant be cornered in it', what is the answer? Based on the clue 'clinton got his bachelors degree at this dc school...', what is the answer? Based on the clue 'clinton in this treasure state treasures being the...', what is the answer? Based on the clue 'clinton is the most recent william to hold the off...', what is the answer? Based on the clue 'clinton thought this former arizona governor super...', what is the answer? What is associated with: clinton was born in this arkansas hamlet in 1946 but grew up in hot springs? Based on the clue 'clinton won first chair in this instrument in the ...', what is the answer? What is referred to by 'clintons aspirins'?