Maine Democratic U.S. Senate candidate Graham Platner is pushing back against new allegations about his conduct in a past relationship after a New York Times report detailed accusations of troubling behavior from some of his exes.Accusations were made against Platner from an ex-girlfriend who said he was physically intimidating during arguments and described what she characterized as behavior that left her feeling uneasy. The report is the latest in a series of stories examining Platner's personal history and relationships as he remains the leading Democratic candidate in the Maine's closely watched Senate race.During an interview on MS Now with Chris...