One in and one out..Peter MacKay has announced he is running for the federal Conservative leadership..“I’m in. Stay tuned,” MacKay tweeted Wednesday afternoon..It’s expected MacKay will hold a formal press conference next week in Nova Scotia..At the same time, another possible frontrunner, Rona Ambrose, appears to be out of the race..Le Presse reported in their Wednesday edition that Ambrose will not run.. MacKay in, Ambrose out for Tory leadershipRona Ambrose, former Conservative Interim-Leader . La Presse reported Ambrose has made no calls to form an organization, amid questions the past few weeks about her potential candidacy..“She will not be a candidate. She should confirm her intentions in the coming days,” a conservative source told the Quebec newspaper..Alberta Premier Jason Kenney and former Saskatchewan premier Brad Wall both have said they would support Ambrose..MacKay, a former Tory cabinet minister immediately becomes the frontrunner to replace Andrew Scheer who resigned in December after failing to defeat the scandal-plagued Justin Trudeau in the October election..Conservative MP Marilyn Gladu is the only declared candidate in the race..dnaylor@westernstandonline.com.Twitter: Nobby7694
