You would think that James Meggesto, of powerhouse law firm Akin Gump's Native American lobbying practice, would know better than most that a poorly worded joke on the internet can ruin a career, given that Meggesto used a poorly worded joke to ruin Paul Mirengoff's career two years ago.
(Via Above the Law, which observes: "For the record, when a tweet opens with “Resisting urge to tweet…”, you’ve failed.")
To elaborate on why this is a big deal:
In his tweet, Meggesto, a lawyer representing clients with interests adverse to those of the witness, called the witness a liar, as the witness was testifying before Congress. This probably isn't actionable libel, as it fails to identify a false statement, and fails to name a time and place. If Meggesto had said, "the witness is lying right now, before Congress, as I tweet this," Meggesto would be in very hot water. Meggesto didn't quite accuse the witness of perjury, but he came close.
Meggesto's tweet also dances around the edges of the codes of ethics that govern attorneys. An attorney may not accuse a sworn witness in an adversarial proceeding of lying. There are many reasons for this, including decorum, respect for the court, and respect for witnesses, but the main reason, I think, is that a witness so accused cannot seek redress for the accusation: attorneys are generally immune from suit for statements made in an adversarial proceeding, about anyone. For instance, if I said about someone like Meggesto in court: "He isn't a real lawyer, and he doesn't have a real law practice: he only facilitates graft by funneling money to legislators with their hands out," the person of whom I was speaking couldn't sue me for defamation.
But since Meggesto wasn't appearing as an advocate before Congress that day, on that matter, he gets a pass.
By any measure, Meggesto's conduct is sleazy. He did call a sworn witness, appearing before a body with the power to require oaths in a matter adverse to the interests of his clients, a liar. He almost but not quite called him a perjurer, and he insulted a Congressman. Make what jokes about that you will, it's poor form for a man who lobbies Congress to speak ill, in public, of elected representatives.
Finally, and I can say this without fear of reprisal: Meggesto is stupid, a dumb braying ass who, if this is indicative of his intelligence and his character, has no business representing clients before a traffic court judge, much less Congress.