Prosecutors have hit a major snag in the jury selection process in former President Donald Trump’s first criminal trial — Trump himself. Already, two jurors empaneled earlier this week were let go. One was dismissed over a prior arrest for tearing down political posters, but another’s excusal may have been due to the former president’s social media posts. Now, prosecutors are asking Judge Juan Merchan, who is presiding over the trial, to enforce the gag order he previously imposed on Trump, arguing that the ex-president is egregiously violating it with his recent behavior. According to Rolling…