Based on the clue 'a polyglot one who speaks many languages can also ...', what is the answer?

Based on the clue 'a politician tail gunner joe', what is the answer? Based on the clue 'a politician taking the low road is said to sling ...', what is the answer? Based on the clue 'a polliwog has never crossed this geographic line ...', what is the answer? Based on the clue 'a poltergeist known as old jeffrey haunted the eng...', what is the answer? Based on the clue 'a polygon with 4 sides', what is the answer? What is referred to by 'a polygraph'? What is referred to by 'a pomapoo'? Based on the clue 'a pompous person is one of these which sounds like...', what is the answer?