Alberta UCP caucus has ‘no business’ signing separation vote petition: former premier CTV NewsFormer PM Harper says he did not sign Alberta separation petition in sit-down chat with Chretien CTV NewsHarper and Chretien talk Alberta separatism, Canadian sovereignty in Ottawa Global NewsHarper, Chrétien call for national unity to confront Trump The Globe and MailStephen Harper and Jean Chretien on Trump and the threat of the 51st State — ‘He’s afraid of the Shawinigan handshake’ Toronto Star