Hmm...I might suggest a beneficial alteration:
No one of prominence or power in the media or politics has endorsed him AND still Trump is winning by a landslide.
Cause and effect? Bernie's a little short on establishment support as well. This election is shaking things up that have long needed it.
Senator Sanders is part of the Washington establishment. He has been a Washington office holder since 1990 and is a long term Washington insider. Sanders supports all the Obama administration programs. He is supported by the MSM.
Only after Trump became popular did the MSM dishonestly portray Senator Sanders as an outsider.