A review of research justifying the change reveals findings that are murky, hotly disputed, or contradicted by other research, misleadingly stretched, or just plain wrong.
"The first thing is: [President] Joe Biden's got to stand up. There's hashtags that we ought to use. Dónde está Joe? Where is Joe? Joe's nowhere," says the Florida Republican.
John Ladd, whose family has ranched at the U.S.-Mexico border for more than 125 years, says illegal immigrants tell him that President Biden invited them to come.
