Prosecutors with the Manhattan district attorney's office asked Judge Merchan's permission to seek to hold former President Trump in contempt for alleged violations of the judge's order against attacking witnesses.

"We're seeking permission to file a proposed order to show cause to show why the defendant should not be held in contempt based on extrajudicial statements," assistant district attorney Chris Conroy said.

He said the order would seek a $1,000 fine for each of three social media posts that prosecutors said violated the judge's limited gag order.

The three allegedly offending posts occurred this month when Trump reposted a social media post from Stormy Daniels' former attorney Michael Avenatti that was disparaging of Daniels and former Trump attorney Michael Cohen, plus a second post about Daniels and a third post about a member of the prosecution team.

"It is important for the court to remind President Trump he is a criminal defendant," Conroy said. "The defendant has expressed a willingness to flout the order" Merchan imposed.

Defense attorney Todd Blanche said the three posts do not violate the gag order. He sought permission to formally respond in writing.

Former President Donald Trump "wants to be present at everything" during trial, his attorney told the court, including side conferences during the jury selection process.

Judge Merchan suggested that could create "logistical" issues, citing the the presence of Secret Service agents, but suggested he would do his best to accommodate Trump.

The judge then directed a series of questions to Trump himself, asking him whether he understands that his failure to attend the trial or appear for sentencing could merit penalties from the court.

After each question, Trump nodded his head and appeared to answer verbally, "Yes," or "I do."

After several hours of arguments over various evidentiary and procedural matters, jury selection is nearly ready to get underway.

"This is what we're going to do -- sit down and relax," Judge Merchan told attorneys for both sides. "We have 500 jurors waiting for us. And to be honest with you, I'm not interested in getting into this minutiae with you."

"There's more important work to be done," he said.

Before moving on, Merchan assured attorneys for both parties that his pretrial rulings are subject to change over the course of the trial.

"This is a roadmap," Merchan said, referring to his rulings. "I can reverse myself, I can change my mind."

Merchan then began reading instructions to the attorneys about how to conduct themselves before prospective jurors.

After a break, Judge Merchan ruled that prosecutors can submit evidence related to Trump's attacks on his former attorney Michael Cohen if the defense first chooses to question Cohen's credibility as a witness.

Merchan said, "I imagine" the defense will seek "to discredit" Cohen -- and when they do, he said, "the door is open" for prosecutors to introduce those tweets of Trump's.

Trump has been leaning forward with his hands clasped beneath his chin as his attorney, Todd Blanche, argues about what other evidentiary guardrails should be in place.