Presidential historian Allan Lichtman has the latest after the U.S. Senate voted not to call any witnesses in impeachment trial.#uspoliSubscribe to CTV News to watch more videos: https://www.youtube.com/ctvnewsConnect with CTV News:For the latest news visit: http://www.ctvnews.ca/ For a full video offering visit the CTV News Network: http://www.ctvnews.ca/video CTV News on Facebook: https://www.facebook.com/CTVNewsCTV News on Twitter: https://twitter.com/CTVNewsWatch CTV News on Twitter: https://twitter.com/WatchCTVNews CTV News on Google+: https://plus.google.com/+CTVNews/posts CTV News on Instagram: https://instagram.com/ctvnews/ CTV News on Pinterest: https://www.pinterest.com/ctvnews ---CTV News is Canada's most-watched news organization both locally and nationally, and has a network of national, international, and local news operations.