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International visitors to 11 U.S. national parks, including Yellowstone, Bryce Canyon, and Sequoia, now have to pay more to get in — as in, up to a $100 a head more. The fees will help national parks address maintenance backlogs running to more than $22 billion, but some worry that it'll dent visitor numbers and hurt “gateway communities” near the parks. Also: plans to cap credit card rates and energy prices.