Federal Communications Commission Chairman Brendan Carr today urged broadcasters to join a "Pledge America Campaign" that Carr established to support President Trump's "Salute to America 250" project. Carr said in a press release that "I am inviting broadcasters to pledge to air programming in their local markets in support of this historic national, non-partisan celebration." The press release said Carr is asking broadcasters to "air patriotic, pro-America programming in support of America’s 250th birthday." Carr gave what he called examples of content that broadcasters can run if they take the pledge.…