Regular political commentators, E.J. Dionne of The Washington Post and Reihan Salam of The National Review, discuss the killing of American journalist James Foley and the ongoing conflict in Ferguson, Mo.
The death of Brazil's Socialist Party presidential candidate created an opportunity for his running mate, Marina Silva. Her entry into the race has upended the situation. Whereas the man she replaced was running a distant third in polls, support for Silva has surged.