Classic rules for apologies include:
1. Say you’re sorry.
2. Say what you’re apologizing for.
3. Don’t make excuses.
Barbra Streisand, however, has never been one to play by the rule book. Streisand half-apologized to Melissa McCarthy on Instagram on April 30 for shade she didn’t know she was throwing. Specifically, after McCarthy posted a picture on April 29 with her friend Adam Shankman as the two attended a gala to benefit Center Theatre Group...