AFT: Weingarten Endorses Darling-Hammond For EdSec
No, she did nothing of the sort. Just seeing if you were paying attention. She just gave a speech (pdf) at the National Press Club, and Bloomberg was there.
No endorsements or non-endorsements were given. Hard to imagine that she is the one blocking a Klein appointment if Bloomberg was there, though. Unless Bloomberg was thanking her for keeping Klein in NYC.