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An officer assigned to crowd control in Ferguson is relieved of duty after video of controversial remarks surfaces. CNN's Don Lemon reports.
One of the e-mails ISIS sent James Foley's family warned they wouldn't stop until "we quench our thirst for your blood." CNN's Brian Todd reports on the horrific messages the terrorist group sent the American journalist's family.
Tom Foreman analyzes ISIS video showing the death of journalist James Foley to see what intel can be gleaned from it.
Sen. Saxby Chambliss says the brutal terror group poses a direct threat to America.