Fmr. GOP EPA head calls Trump's pick 'troubling'
05:05Christine Todd Whitman, EPA head under George W. Bush, joins MSNBC's Brian Williams to voice her concerns over Trump's pick to head up the agency, Scott Pruitt.
Christine Todd Whitman, EPA head under George W. Bush, joins MSNBC's Brian Williams to voice her concerns over Trump's pick to head up the agency, Scott Pruitt.