The Mar-a-Lago witness who came forward publicly to discuss the role he played in former President Donald Trump’s classified documents case is a huge asset to special counsel Jack Smith, former federal prosecutor Elie Honig explained on CNN Monday. The witness, an employee of Trump’s country club now revealed to be Brian Butler, opened up to CNN’s Kaitlan Collins Monday, explaining how he helped Trump’s body man Walt Nauta load boxes onto the former president’s plane. “How important is this news?” anchor Jake Tapper asked Honig. “And was there any significant in what you heard him say just the…