7/23: Tokyo Olympics finally get underway. Biden imposes new restrictions on Cuban regime.

New COVID hot spots are popping up in places where many people refuse to get a vaccine. We're on the ground in Nevada, with a federal surge response team. The Tokyo Olympics finally get underway after scandals and setbacks. Extreme danger in the West -- firefighters face terrifying scenes inside an inferno. President Biden is imposing new sanctions on the Cuban regime after the violent crackdown on anti- government protesters earlier this month.

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