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

I do not see a reason why Congress should continue sending taxpayer dollars to NPR and PBS,’ Brendan Carr, the FCC chairman, wrote in a letter.

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