WASHINGTON — Opening arguments begin Wednesday in Donald Trump’s impeachment trial after an emotional first day that wrenched senators and the nation back to the deadly Jan. 6 attack on the U.S. Capitol.Trump’s attorneys sought to halt the trial on constitutional grounds, but lost that bid on Tuesday. Their arguments were meandering at times, leaving Trump fuming over his lawyers’ performance and allies questioning the defense strategy. Some called for yet another shakeup to his legal team.House Democratic prosecutors …