The Trump administration has made no bones about its frustration with the coverage it receives from various media outlets. And it’s true that many in the press haven’t been subtle about their discomfort with policies pursued by the White House. But it would be prudent for President Donald Trump and those who serve him to remember the value of the First Amendment and to understand that, in the vast majority of efforts intended to silence the “opposition,” the White House is on shaky legal ground, to say the least. The latest dust-up involves ABC News and “The View.” In February, the FCC — doing the bidding of the administration against a show that relishes piling on Mr. Trump — said it was investigating whether the talk show had violated equal time rules for interviews with candidates. Agency officials also said they may revoke the exemption for news shows now granted daytime and late-night talk shows. This is all in keeping with Mr.…