Ontario and Ottawa clash after the Billy Bishop Airport expansion is rejected, with the province criticizing the federal Alto rail project; As trade talks resume in Washington, debate grows over whether Canada should use energy as leverage to secure a deal with the U.S; WestJet and its flight attendants' union are preparing for a possible work stoppage Sunday amid contract talks. 

<p>Ontario and Ottawa clash after the Billy Bishop Airport expansion is rejected, with the province criticizing the federal Alto rail project; As trade talks resume in Washington, debate grows over whether Canada should use energy as leverage to secure a deal with the U.S; WestJet and its flight attendants' union are preparing for a possible work stoppage Sunday amid contract talks.&nbsp;</p>

CTV National News is Canada's most-watched national news program. Now you can stay up to date Monday to Sunday with the CTV National News Podcast, delivered nightly. Listen to Canada’s most trusted newscast featuring stories from here and around the world with a perspective that is distinctly Canadian and backed by the #1 news organization in Canada.

<p>CTV National News is Canada's most-watched national news program. Now you can stay up to date Monday to Sunday with the CTV National News Podcast, delivered nightly. Listen to Canada&rsquo;s most trusted newscast featuring stories from here and around the world with a perspective that is distinctly Canadian and backed by the #1 news organization in Canada.</p>