of the firm that produced a dossier of sensational claims about President Trump and Russia. But Donald Trump Jr.’s lawyers negotiated an agreement for the closed-door meeting and the production of communications related to the meeting.

The interview on Thursday was expected to be largely handled by staff, though several senators said they planned to attend. Besides the Trump Tower meeting, Mr. Blumenthal said the staff would question Mr. Trump on the Trump Organization’s financial dealings with the Russians and on his father’s decision to fire Mr. Comey.

Mr. Trump set up the June 2016 meeting after he had been told by an intermediary that a Russian lawyer, Natalia Veselnitskaya, had damaging information about Mrs. Clinton to share. Also in attendance were Mr. Manafort and Jared Kushner, the president’s son-in-law,Maserati is opening dealerships around the United States, Rolls-Royce just finished its most profitable year ever and even mainstream luxury automakers like Mercedes and Jaguar are finding an eager market for their most expensive models, which push past $100,000.

The sales gains at the highest end of the market are far outstripping those in the auto industry as a whole, which, because of easier credit and pent-up demand, have risen 8.4 percent from January through November.

Maserati has led the way, with a 55 percent sales increase this year, followed by double-digit gains from Rolls-Royce, Jaguar, Lamborghini, Porsche and Bentley, according to figures from the Autodata Corporation. Many of the brands sold more cars in the first 11 months of 2013 than they did in 2007 before the recession.

Among the