Crossword puzzle clue "write a think piece say"

"To write is to write is to write . . ." writer

Write a think piece, say

He sang (but did not write) "I Write the Songs"

It may be used to write down a write-off

Mad ___ (outraged by a think piece, say)

Governor who said "I don't think there's anybody in America who would necessarily think my personality is best suited to being number two"

"I think I can, I think I can" speaker

"Think" or "Think different"