Paul Waldman: Why as many Democrats as possible should run for president

To give you a break from the scandal over a hostile foreign power’s attack on our democracy, let’s turn to something more diverting: the 2020 presidential campaign. We keep hearing that more and more Democrats are running; here are some reports from just the last week or two:• Mike Allen reports that Joe Biden is the Democrat Donald Trump most fears running against; learning this will cause Biden to immediately start looking for office space for his campaign. Actually, Allen rep