Cheddar looks back at the life and legacy of Sen. John McCain, who died Saturday at 81 following a year-long battle with brain cancer. For full interview [click here](https://cheddar.com/videos/examining-john-mccains-legacy).

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As Fuel Taxes Plummet, States Weigh Charging by the Mile
U.S. states could face some hurdles as they experiment with road usage charging programs aimed at one day replacing motor fuel taxes, which are generating less each year, in part due to fuel efficiency and the rise of electric cars.
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