Definition: Given a document, generate a short title of the document. The title should convey the main idea/event/topic about which the document is being written. Note that URLs in the text have been replaced with [Link].
Input: The far-left true believer made a spectacle of himself when he hesitated to endorse his old boss Hillary Clinton in the 2016 primaries over Sen. Bernie Sanders  the self-styled socialist who sings all Hizzonerâs favorite tunes. When he finally came around  the New York Timesâ Michael Grynbaum called it de Blasioâs âslow  awkward march toward endorsing Hillary Rodham Clinton â the woman who jump-started his political career.â
Now  riding the wave of âresistanceâ and co-opting the populist rhetoric of the right   Sanders  and de Blasio believe they can redress their partyâs failed promises to the white working-class and union voters who turned their backs on the Dems in 2016.
De Blasio will praise  Sanders  on New Yearâs Day and the duo will smile for the cameras  but make no mistake  thereâs a real fight over who will get to lead the political leftâs bold new revolution come 2020. De Blasio  Sanders and Massachusetts Sen. Elizabeth Warren will all most likely throw their ushankas into the ring. Blas knows that despite his very real general-election handicap of being yet another far-left  upper-East Coast faux intellectual  at least heâs not as old as the Ark of the Covenant.
De Blasio turning his back on the Clintons and fully embracing  Sanders  is the first in a long line of stunts to come.  He âll go wherever the party message is  though  he  prefers that message to be so far left  it takes the party right off a cliff.

The Blas