I'm not familiar with most of these folks except Ms. Khalek. She's a female version of Max Blumenthal, and is perhaps even more toxic.
Here, "We Asked 4 Prominent Bernie Supporters if They’d Vote for Hillary in November. Here’s What They Told Us."
And on Twitter:
Hillary Clinton called into question the innocence of dead Palestinian civilians yesterday to attack Bernie Sanders https://t.co/Jd8S1yohjG— Rania Khalek (@RaniaKhalek) April 11, 2016