CBS: Facing significant budget cuts and an incoming Republican Congress determined to limit her authority, Environmental Protection Agency head Gina McCarthy might be expected to sound a bit chastened.
She doesn't.
In an exclusive interview with CBS News, McCarthy, who became EPA administrator in 2013, defended her agency's plans to reduce carbon emissions from coal-fired power plants, strengthen ozone standards and regulate leaks of methane.
"It's my job to explain to people why what we are...