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Sen. Sheldon Whitehouse, D-R.I., traded barbs with Environmental Protection Agency Administrator Lee Zeldin in a fiery Senate hearing Wednesday over cost-benefit analysis of coal plants and whether President Trump's EPA had done enough to weigh whether hospital bills and insurance claims should factor into the calculus.

The heated back-and-forth left Zeldin taking a thinly-veiled dig at Whitehouse long after the Democratic environmentalist had concluded his line of questioning.

"We just want to stick to the truth," Zeldin said.

"We want to stick to the science.…