Scott Pruitt's split-screen day

Scott Pruitt at a press conference
Photo: Jason Andrew/Getty Images

Tuesday brought both a new EPA science policy that conservatives cheered and more ominous headlines for the embattled agency boss Scott Pruitt, who faces a suite of ethics controversies.

Between the lines: The combination highlights why Pruitt's fate is hard to predict. He's forging ahead with policies that conservatives and some business interests have long sought, yet there are fresh signs of eroding GOP support.