New data released by the E.P.A. shows people across the country are exposed to a cancer-causing chemical at rates a thousand times over what the agency considers acceptable. Still, the agency says there is no cause for alarm. Meanwhile, the agency's watchdog says a top official is refusing to cooperate with an investigation into whether he pressured an independent scientist to modify congressional testimony critical of the Trump administration. Plus, Rick Perry speaks about the latest developments surrounding him in the impeachment inquiry, and some prominent Democrats will talk climate change on The Weather Channel. Find more on the show at politico.com/energy-podcast.