Answers for a few
2 is from Woody Allen.
10 is from Dan Quayle.
11 is from Marion Berry, mayor.
4 is Britney Spears.
I knew 2 and 10 and found the answer to 11 when I looked up to confirm 10 on the same “stupid things politicians have said” site. I looked up 4 because it is so outlandish.