NIEHS chief Birnbaum accused of violating lobbying law by House Science Committee Linda Birnbaum is an Obama holdover who should be replaced by President Trump. Linda Birnbaum, Director, NIEHS Click to read the letter. More on Birnbaum: Chemical Scaremongering: It’s time to dismantle the alarmism industry Federal toxic chief defends EPA by trying to shoot the messenger Share this:EmailPrintTwitterFacebookMoreLinkedInPinterestTumblrReddit