A group led by former President Donald Trump’s longtime attorney Jay Sekulow on Monday submitted a legal analysis arguing that the impeachment trial violates the U.S. Constitution. The American Center for Law and Justice submitted the 45-page legal memorandum (pdf) to the Senate a day before the trial is expected to begin, urging the upper chamber to reject the article of impeachment against Trump on the grounds that the trial is unconstitutional. The group argues that a plain text reading of relevant provisions of the Constitution would only allow sitting presidents to be impeached. They say that this reading of the Constitution is backed up by Chief Justice John Robert’s decision to not preside over the trial. Roberts is required to preside over trials against presidents under Article I, Section 3. The chief justice did not provide the reason for not presiding, but legal scholars surmise that it was likely because …