The unbeatable Joe Biden

There are plenty of primaries to go over the next couple of months, and November is still a long way off. But on the night that Democrats cast their primary ballots in six states across the Midwest, South, and Northwest — including the important state of Michigan, which played such a significant role four years ago — it became abundantly clear that former vice president Joe Biden is bound to become the party's choice to take on President Donald Trump on Election Day.

March 10, 2020 is the day that...