Sen. Jeff Merkley says U.S. is "violating" international protocol for refugees
Oregon Sen. Jeff Merkley is making his second trip to the U.S.-Mexico border to demand answers about the Trump administration's "zero tolerance" immigration policy. Two weeks ago, he was blocked from touring a children's immigration facility near the Mexican border. But on Sunday, the senator and other Democrats visited that children's facility and other border patrol centers. Sen. Merkley joins "CBS This Morning" to discuss why the Trump policy can be "changed in a moment."