See, I'm not too surprised by her as others were. I knew she wouldn't endorse Bernie because the whole freaking party was in HRC's camp in 2013-14. She also used to be a Republican and then wisened up. She's excellent as advocating for consumers vs. the financial sector and she's very knowledgeable about it all. The other progressive issues like single payer, tuition free college, etc... I feel she'll advocate for in a campaign but back off when she's in office due to the donors...
You won't find too many Senators attacking a fellow Senator in their caucus (unless its Ted Cruz or Rand Paul/John McCain). But it was