Former Minneapolis mayor on the rise of his friend Tim Walz

As It Happens

Plus: A startling fossil discovery offers new clues about what snakes were getting up to millions of years ago.

Also: A Canadian visiting family in Lebanon decides to stay despite Canada’s warning to citizens; and now that Google has been ruled an illegal monopoly, Vanderbilt law professor Rebecca Haw Allensworth weighs in on whether the search giant could be broken up into smaller companies.