Poilievre, Lewis absent as Conservative leadership candidates spar in final debate

Scott Aitchison, Roman Baber, and Jean Charest faced off in the third and final debate of the Conservative leadership race, ahead of party members casting their votes in September. Abigail Bimman looks at what the trio had to say; why the two remaining candidates, Leslyn Lewis and Pierre Poilievre, sat this one out; and what experts believe this debate could do.