I didn't say they dropped him from the debates. Of course they cannot do that, this is already decided by the DNC.
What MSNBC did, and has been doing for months now, is "conveniently", "innocently" not show him in graphics where he would belong. For example, when they show literally all other candidates except him.
Or, when they discussed the Monmouth poll, showed the list of the top eight names (AY is now 8), went through (again, literally) all names on the list up to number seven and then "conveniently", "innocently" on to the next slide.
https://www.washingtonpost.com/politics/2019/05/17/which-can...
Edit, fixed AMP version.