Indigenous leaders call for an end to Alberta premier's separatism talk, measles on the rise, Signalgate casualty, and more

Indigenous leaders speak out against Alberta's premier, and accuse Danielle Smith of trying to create a national unity crisis. The comments come as Alberta proposes a bill to make it easier for voters to trigger referendums — including on seceding from Canada.Also: Measles cases continue to rise across Canada. We look at where this highly contagious, but preventable disease is spiking, and what medical experts say are the reasons why.Plus: The Trump Administration shuffles the deck. U.S. National Security Advisor Mike Waltz is out after his involvement in the Signal chat scandal that saw the leak of sensitive details about a military strike in Yemen. But he’s being nominated for a new position.Also: Rising tensions between India and Pakistan, Quebec’s ban on cell phones in schools, and more.