mentor. it is not known if that person took the complain further. abc news tells cnn no complaints were filed during halperin's time at the network. halperin, who is a senior political analyst at msnbc said in a statement last night, i did pursue relationships with women that i worked with, including some junior to me. i now understand from these accounts that my behavior was inappropriate and caused others pain. for that, i am deeply sorry and i apologize. under the circumstances, i'm going to take a step back from my day-to-day work while i properly deal with this situation. nbc news has not independently verified the accusations. msnbc has issued the following statement. quote, we find the story and the allegations very troubling. mark halperin is leaving his role as a contributor until the questions around his past conduct are fully understood. some are asking, is this a sea change. we're hearing more and more stories. all right. we're going to move on. up next, president trump set to formerly declare the opoid