Donald Trump picks a running mate as questions mount about security lapses following assassination attempt.

<p>Donald Trump picks a running mate as questions mount about security lapses following assassination attempt.</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>

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