That old saying "Ignorance of the law is no excuse" only applies to certain people and/or crimes. According to the Mueller Report, though the investigation was able to prove the Trump Tower meeting that Trump Jr., Manfort and Kushner attended to obtain "information of value" would have constituted a prosecutable violation of campaign-finance laws, the Special Counsel did not feel confident they could prove beyond a reasonable doubt Trump Jr., Manfort or Kushner knew its illegality. There are reasonable arguments that the offered information would constitute a "thing...