Violent day at the border results in 80 arrests and high tensions

07:50

The busy U.S. border crossing between San Diego and Tijuana reopened this morning after a chaotic and violent day that resulted in more than 80 arrests. Stephanie Ruhle breaks down what happened after President Trump closed ports of entries at the border and why tensions remain very high. Weighing in: NBC’s Hans Nichols, Julia Ainsley, and Hallie Jackson.