SE Cupp is, unfortunately, part of the Destroy Trump movement led by the Republican Party-Democratic Party-Big Media coalition.
Does she still work for Glenn Beck? To be fair, Trump was only a registered Democrat for 8 years out of his 51 voting available years. He has been a Republican longer than a Democrat. He was also registered at one time as an Independent and a member of the Reform Party - which was started by Ross Perot.