Former U.S. Border Patrol chief Mark Morgan says he must “restrain” himself while addressing Rep. Alexandria Ocasio-Cortez’s claim that agents “cage children at the border and inject them with drugs” out of “hatred.” The Obama-era official sat down with Fox News’ Tucker Carlson Thursday evening when a recent Instagram Live post by the New York Democrat was addressed. “I’m not trying to cage children at the border and inject them with drugs. That’s not a mistake, that’s just hatred,” Ms. Ocasio-Cortez told supporters on social media. Mr. Morgan, who spoke to lawmakers this week on the border crisis, blasted Ms....