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Catch up on the biggest stories of the week with The Download

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The past week was full of big stories, including Sen. John McCain, who returned to the Senate floor and cast the deciding vote against a pared-down Obamacare repeal bill, dozens of undocumented immigrants found inside a sweltering tractor-trailer, the incredible video of a shark that jumped out of the water and wedged itself onto a boat, and Olympian Jamie Nieto walking his bride down the aisle after being partially paralyzed last year.