According to MSNBC, Bernie Sanders campaign is struggling.
A few weeks ago a heart attack took him off the presidential campaign trail.
The heart attack renewed questions about his age and health.
Polls in early states and beyond showing his candidacy at risk.
He's been plagued by staff clashes, poor strategic communication, and persistent negative leaks from inside the campaign.
Sanders has also come off as thin skinned, slamming any criticism of him as a corporate hit job.