PrimeTime Politics Following her royal visit to Canada, Queen Elizabeth delivers her first speech to the United Nations General Assembly in more than 50 years.   Prime Minister Stephen Harper makes an announcement at the Perimeter Institute for Theoretical Physics in Waterloo, Ont., along with famed physicist Stephen Hawking, a fellow of the Institute. NDP Leader Jack Layton discusses offshore oil regulations and his health amongst other topics at an Ottawa news conference. Liberal MP Marlene Jennings comments on yesterday’s committee testimony by CSIS director Richard Fadden.