Ignore Musk’s giant checks — and his effort to sow election doubts

Elon Musk’s daily giveaway of million-dollar checks to swing-state voters is generating the buzz he no doubt hoped for. But Mr. Musk’s oversize checks are distracting from a less-visible campaign the world’s richest man is conducting: laying the groundwork to cast doubt on the election results if his favored candidate, former president Donald Trump, loses.