内容摘要：Workers use machinery to dig at a rare earth mine in Ganxian county in central China’s Jiangxi province on Dec. 30, 2010. (Chinatopix via AP)

Workers use machinery to dig at a rare earth mine in Ganxian county in central China’s Jiangxi province on Dec. 30, 2010. (Chinatopix via AP)

Sarah Snook poses in the press room with the award for best performance by an actress in a leading role in a play for “The Picture of Dorian Gray” (Photo by Evan Agostini/Invision/AP)Sarah Snook poses in the press room with the award for best performance by an actress in a leading role in a play for “The Picture of Dorian Gray” (Photo by Evan Agostini/Invision/AP)

Tony winner and musical theater regularwas a friend to many in the theater community, and was remembered more than once on Tony evening.Gavin Creel in 2009 (AP Photo/Seth Wenig, File)

Gavin Creel in 2009 (AP Photo/Seth Wenig, File)During the early pre-show,

was honored with the Isabelle Stevenson award, for her advocacy work in the arts. She spoke movingly of her deep friendship with Creel and their advocacy work together.

Later, singer and actor Sara Bareilles performed a soulful duet of “Tomorrow” from “Annie,” harmonizing with Erivo, during the memorial segment. That segment ended with a photo of Creel, also a dear friend to Bareilles, who teared up.Despite that, Iran and the U.S. have held expert-level talks.

, though much likely remains to be agreed before reaching a tentative deal.Iran has insisted for decades that its nuclear program is peaceful. However, its officials

. Iran now enriches uranium to near weapons-grade levels of 60%, the only country in the world without a nuclear weapons program to do so.Under the original 2015 nuclear deal, Iran was allowed to enrich uranium up to 3.67% purity and to maintain a uranium stockpile of 300 kilograms (661 pounds). The last report by the International Atomic Energy Agency on Iran’s program put its stockpile at 8,294.4 kilograms (18,286 pounds) as it enriches a fraction of it to 60% purity.