Today we learned that this dude is again running for president.

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In his campaign launch video Joe Biden waxes about the "core values of America" but makes zero political proposals. He claims:
Our very democracy, everything that has made America, America, is at stake. That's why today I'm announcing my candidacy for President of the United States.
The last time Joe Biden attempted to run, he claimed that he was motivated by his son Beau's dying wish for him to become president. Biden 'leaked' that 'dying wish' himself and the details of the 'dying wish' story changed over time.
There are now 20 Democrats running in the primaries for the 2020 presidential election. Only a few of them have the potential to beat Trump.
Biden is not one of them. His biggest strength is that his well known. It is also his biggest weakness. Biden is beholden to Wall Street, supported the Iraq war resolution (vid) and the Ukrainian fascists. His speeches are full of platitudes and balderdash. Biden has no new political program. His sole point is get rid of President Trump.
There are number of 'new' Obama like Democrats running, Robert Francis O'Rourke, aka Beto, and Pete Buttigieg of whom we are warned. Another type are the known 'centrists' – Kirsten Gillibrand, Kamala Harris and Amy Klobuchar. There are also a number of nonames with no chances to win. Most of them fall into the centrist/bipartisan category.
Unfortunately the Democrats handed Trump the gift of Russiagate. For more than two years they fought him on those grounds. They lost the fight when the Mueller investigation absolved Trump. The false accusations against him will become a major campaign issue. Trump will use the issue to enrage his base. He will say that it was unjust to accuse him of being a Russian stooge. Many people will agree with him if only on that point.
The fight against Trump can not be won in the center. Turnout will be the key factor. Without strong progressive positions the turnout in the general election for any Democratic candidate will be too low to win.
Three candidates fit that corner.
Elizabeth Warren has good progressive ideas. Unfortunately her personality is as likable as Hillary Clinton's. She does not connect emotionally and is difficult to sell.
Bernie Sanders may well have the best chance to beat Trump on domestic policies. But he is no progressive on foreign policy issues.
Tulsi Gabbard has the best overall program but the media ignore her and the Democratic Party establishment is strongly against her. She has no chance to win the primaries.
A Sanders/Gabbard ticket in the general election is one I probably could support. Would it be strong enough to beat Trump?