Bernie Sanders 2020: Veteran Left-winger must face copycats to gain Democratic nomination

So, Bernie is in. Four years after his remarkable rise from relative political obscurity to almost upsetting Hillary Clinton’s march to the Democratic nomination, he is back for another go. 

Kicking off his presidential campaign miles from the rent-controlled apartment where he grew up in Brooklyn, Sanders forcefully made the case that he is nothing like fellow New Yorker Donald Trump – and proclaiming himself the Democrat best prepared to beat the incumbent in 2020.

"My experience as a child, living in a family that struggled economically, powerfully influenced my life and my values. I know where I came from," Sanders boomed in his unmistakable Brooklyn accent. "And that is something I will…