More than a 100,000 Russians answered the call of imprisoned anti-corruption crusader Alexei Navalny to take to the streets over the weekend. The scope of the unrest suggests opposition to President Vladimir Putin is on the rise, writes Chris Brown. [https://www.google.com/amp/s/www.cbc.ca/amp/1.5886225](https://www.google.com/amp/s/www.cbc.ca/amp/1.5886225)