The West Block

As the prime minister welcomes more former Conservatives into his Liberal family, controversy follows. The Toronto Star's Ottawa bureau chief, Tonda MacCharles, discusses the addition of Sarnia MP Marilyn Gladu, the reception within the Liberal Party and the effect defections like this are having on the Conservatives. Plus, Social media has become a new front in the US-Iran war. We speak with Clemson University Professor Darren Linvill, who studies digital disinformation, about who's being targeted and how effective meme warfare can be.