May 17 (Reuters) - The following are the top stories from selected Canadian newspapers. Reuters has not verified these stories and does not vouch for their accuracy.
THE GLOBE AND MAIL
** The RCMP investigation that led to a criminal charge against Vice Admiral Mark Norman was set in motion by Prime Minister Justin Trudeau, who was furious at the leak of classified cabinet deliberations involving a C$668-million naval supply ship contract, sources say. (https://tgam.ca/2LOIxvz)
** Air Canada AC.TO faces a potentially steep climb convincing federal competition regulators that its planned C$520-million purchase of Transat AT Inc TRZ.TO would be a desirable one, industry analysts say. But it might be the inevitable outcome if no competing offer emerges. (https://tgam.ca/2LROHuX)
** Facebook Inc FB.O , Google (NASDAQ:GOOGL) and Twitter Inc (NYSE:TWTR) TWTR.N are still not doing enough to tackle fake news plaguing the election campaign to the European Parliament, the European Commission said on Friday in its latest report. (https://tgam.ca/30suyyY)
NATIONAL POST
** Chinese purchases of Canadian soybeans have suddenly "slowed to a trickle" after posting record gains last year amid ongoing diplomatic tensions between Beijing and Ottawa. (https://