Crossword puzzle clue "because i said so is not one"

It's said that he said, "I never said most of the things I said"

Entertainment options so named because the audience is more detached, per McLuhan (not because he thought they were awesome)

"Because I said so" is not one

Default Twitter avatar (because birds because Twitter)

President who said "Just because you're a journalist you are not exempted from assassination"

"Because I said so!"

Who said "Opportunity is missed by most people because it is dressed in overalls and looks like work"

Bombeck who said "A friend doesn't go on a diet because you are fat."