Interim Liberal Leader Bob Rae waves, with his wife Arlene Perly-Rae, after speaking during his tribute at the 2013 Liberal Leadership National Showcase in Toronto on Saturday, April 6, 2013. Rae, former interim Liberal leader and one-time NDP premier of Ontario, is resigning as an MP, winding up a political career that stretched over 35 years and two parties. THE CANADIAN PRESS/Nathan Denette