text:  It got me thinking about Watergate and what might have happened to Richard Nixon if this Supreme Court ruling had been on the books back in 1974. Nixon resigned to avoid impeachment. Then he hired a law firm to defend him in the criminal investigation. William Jeffress was a young defense lawyer at that firm. I caught him by phone today to ask about the Nixon probe. He was accused of orchestrating an obstruction of justice using his Attorney General Mitchell, his...