A break down of the steps Ottawa is taking in newly announced measures to help curb grocery costs in Canada; A look at the growing tension in Minnesota after an E.R. nurse was killed by a federal agent over the weekend and the response from the White House; How global warming could cause future geopolitical issues for Canada, complicating the country's approach to securing the Arctic.

<p>A break down of the steps Ottawa is taking in newly announced measures to help curb grocery costs in Canada; A look at the growing tension in Minnesota after an E.R. nurse was killed by a federal agent over the weekend and the response from the White House; How global warming could cause future geopolitical issues for Canada, complicating the country's approach to securing the Arctic.</p>

CTV National News is Canada's most-watched national news program. Now you can stay up date Monday to Friday 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 date Monday to Friday 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>