Pruitt leaves his mark on businesses but will it last?

As head of the Environmental Protection Agency, Scott Pruitt tried to roll back rules affecting many industries, but whether he made lasting changes in the government's regulation of business or failed to leave a legacy could be decided in the courts.

Pruitt tried to reverse efforts to cut emissions from coal plants, kill tougher fuel-efficiency standards for vehicles, and suspend stricter rules on runoff from farms — moves that elicited protests and, in several cases, legal challenges by environmentalists and some states. But they didn't disappoint his boss, President Donald Trump, who tweete...