Final Night of the Democratic National Convention

The Democratic convention wrapped up with Vice President Kamala Harris’ speech accepting the party’s nomination for president. She made some misleading or unsupported claims about her opponent, including several we’ve heard this week.

Harris claimed former President Donald Trump “intends to enact what in effect is a national sales tax” that would “raise prices on middle-class families by almost $4,000 a year.” That’s a speculative estimate from a liberal think tank based on the upper-end of a Trump-proposed tariff on imported goods. And it ignores other Trump proposals that might...