Sit down, shut up and keep that phone in the closet. Detention for high schoolers? Nope, it’s the rules of the impeachment trial for US Senators. Lawmakers who normally relish bloviating on the Senate floor will be forced to remain silent throughout every session of the impeachment trial of President Trump when it begins Tuesday — and will be required to attend sessions six days a week, including Saturdays, for the duration. “That’s going to suck,” Sen. Marco Rubio (R-Florida) told CNN. “I guarantee you it’s going to be hard,” he said, adding jokingly, “but I think we’ll survive.” Senators...