Vice President Mike Pence traveled to a central Iowa farm last week to urge Iowans to continue to apply pressure on the state’s Democratic lawmakers to approve the United States, Mexico, Canada Agreement or USMCA.

“I came to Iowa today to turn up the heat,” Pence said during a rally at the Manning Farm near Waukee in Dallas County. “I came to Iowa today to say it’s time for the Democrats to do their...