The investigation will revolve around NPR and PBS airing sponsorships across their 1,500-plus member stations, FCC Chairman Brendan Carr said.

FCC’s Brendan Carr also suggests an investigation could be relevant to conservative congressional efforts to defund the public broadcasters.

The chairman of the Federal Communications Commission has opened an investigation into NPR and PBS over the public broadcasters’ airing of commercials. Brendan Carr, President Donald Trump’s pick to lead the agency,