Attorneys representing President Donald Trump are making a big gamble on being able to have Department of Justice special counsel Jack Smith removed as prosecutor in the ex-president’s two federal criminal cases. But one legal expert thinks that strategy is unlikely to bear fruit. During his hearing in U.S. District Court in Washington, D.C. earlier this week, Trump’s lawyers made it clear that they aim to challenge the constitutionality of Smith’s appointment as special counsel. But as former U.S. Attorney Barbara McQuade pointed out in a recent interview on MSNBC’s the Katie Phang show, Judg…