Trump’s Short List Is Too Short

Does the presumptive Republican presidential nominee understand the magnitude of America’s challenge?

In a series of careful timed-release leaks, Donald Trump has now revealed what we are led to believe is his list of vice-presidential prospects. Not one of those names registers as a worthy choice.

Granted, the bar has been raised this year. At the beginning of every cycle, the vice-presidential choice becomes, overnight, the leading presidential candidate for the next cycle. Think Nixon and Johnson, Bush and Biden, not to mention Mondale and Gore. But this year — with...