By Vassia Barba Details of Donald Trump’s alleged affair with former Playboy model Karen McDougal were revealed in court Tuesday, as salacious details were revealed as his son, Eric, sat feet behind him. The proceedings for the former President’s hush money criminal trial continued today, with at least three witnesses having taking the stand. Trump’s son Eric also joined his father in court today, marking the first time any of the former president’s family members have attended the trial. Keith Davidson, McDougal’s former attorney, testified that he couldn’t precisely recall the duration of th…