Senate Republicans issued a tough schedule for the start of the trial.

With scant precedent to information them and an icy relationship between the 2 chambers, the Home and Senate have struggled this week to pin down exactly how and when the ceremonial handoff of articles will happen.

Senate Republicans issued their very own new steering Wednesday morning, although it was topic to alter. Here’s a rundown on the newest, from a Republican management aide:

• A Home delegation will ship a message round 5 p.m. Jap at the moment that it has appointed managers to exhibit articles of impeachment. The Senate will then notify the Home when it is able to obtain the managers, almost definitely setting a time for Thursday. If the managers come and attempt to current the articles themselves at this level, they may very well be turned away by the Senate.

• As early as Thursday morning, the seven House managers will go into the Senate chamber and be led into the effectively, the place they may learn aloud the articles of impeachment.

• A while later, in all probability round 1 p.m. Thursday, Chief Justice John G. Roberts Jr. will journey from the Supreme Courtroom to the Senate, the place he will preside over the trial. Senator Charles E. Grassley, Republican of Iowa and the president professional tempore, will administer an oath to do “neutral justice” to Justice Roberts. The chief justice will then administer the identical oath to all 100 senators.

• Someday thereafter, Senate guidelines dictate that President Trump have to be summoned and given time to reply the costs in opposition to him. This reply would probably take written type and will take a number of days.

• The Senate is then anticipated to interrupt for the vacation weekend and reconvene on Tuesday, when the trial will start in earnest.

In her information convention saying the Home managers, Ms. Pelosi stated she stays assured in what she described as a “robust case” in opposition to the president.

“What’s at stake right here is the Structure of the US,” she stated. “That is what impeachment is about. The president violated his oath of workplace, undermined our nationwide safety, jeopardized the integrity of our elections, tried to make use of the appropriations course of as his non-public ATM machine.”

She added: “He might be held accountable. He has been held accountable. He has been impeached. He has been impeached endlessly. They’ll by no means erase that.”

Wednesday’s Supreme Courtroom argument, over what federal employees should present to show age discrimination, might have been dry and technical. As a substitute, it was a energetic affair that spotlighted Chief Justice John G. Roberts’s sly wit, one that will serve him effectively when he crosses the road to preside over the impeachment trial.

The chief justice, who will flip 65 this month, requested whether or not a stray comment from a supervisor would suffice as proof of age discrimination. Would a stinging “O.K., Boomer,” he requested, be sufficient?

When Chief Justice William H. Rehnquist presided over President Invoice Clinton’s impeachment trial, he wore gold stripes on his robes impressed by a light-weight opera. If nothing else, Chief Justice Roberts, who has cited Bob Dylan lyrics in an opinion, will carry an entirely totally different sensibility to the duty.

The Senate remains to be discussing whether or not it’s going to hear witness testimony from John Bolton, the previous nationwide safety adviser, who has said he would comply with a subpoena throughout the impeachment trial. However he’s planning to disclose a few of what he noticed concerning the Ukraine matter in his upcoming guide, in keeping with individuals accustomed to the plan.

Mr. Bolton’s guide, resulting from be printed by Simon and Schuster, is nearly completed, in keeping with individuals accustomed to his plans, and is ready to be on sale effectively forward of the Republican and Democratic Nationwide Conventions this summer time. The guide goes to explain Mr. Bolton’s time within the Trump White Home and increase on at the very least a few of what he noticed concerning Mr. Trump’s efforts to strain Ukrainian officers into saying an investigation into Hunter Biden, the son of former Vice President Joseph R. Biden.

The guide will describe different world controversies associated to Russia and Venezuela, and Mr. Bolton plans to element his interactions with key figures in Mr. Trump’s administration. Some officers don’t come off significantly effectively, in keeping with the individuals accustomed to the plan. They embody the previous United States ambassador to the United Nations, Nikki Haley, who held the job Mr. Bolton did throughout President George W. Bush’s…