to a prosecution during his term in office, andrea. >> thank you so much, lisa rubin, ryan nobles, ashley parker, michael steele. >>> in 90 seconds, canada's prime minister is stepping aside, creating instability for a key u.s. ally. you're watching "andrea mitchell reports" on msnbc. starting at just $16.99. like garlic shrimp scampi. get your shrimp on today, only at red lobster. >>> now to the big breaking news from canada, justin trudeau just announcing he intends to step down as party leader and as canada's prime minister. the parliament will be suspended while a new leader is chosen. >> last night over dinner, i told my kids about the decision that i'm sharing with you today. i intend to resign as party leader, as prime minister, after the party selects its next leader through a robust nationwide competitive process. >> joining me now the nbc news senior white house correspondent, kelly o'donnell. ten years ago, he was -- he had the hollywood looks, he was the prince, he came in, the son of the former prime minister, and then, with a progressive message of environmentalism, women's rights, of doing