Tom Barrack, a onetime private equity executive and fundraiser for former President Donald Trump, was found not guilty by a jury on Friday of unlawfully acting as an agent of the United Arab Emirates, dealing a setback to the US Justice Department. Barrack was also acquitted of obstruction of justice and making false statements to FBI agents in 2019 about his interactions with Emirati officials and their representatives. Barrack’s former assistant and co-defendant, Matthew Grimes, was also acquitted of acting as a foreign agent and conspiracy to act as a foreign agent. The verdict followed a s…