President Joe Biden, left, and former Presidents Barack Obama, center, and Bill Clinton, right, attend a memorial service for Ethel Kennedy, the wife of Sen. Robert F. Kennedy, who died on Oct. 10, 2024, at age 96, at the Cathedral of St. Matthew the Apostle in Washington, Wednesday, Oct. 16, 2024. (AP Photo/Ben Curtis)

President Joe Biden dabs his eye with a tissue as he speaks at a memorial service for Ethel Kennedy, the wife of Sen. Robert F. Kennedy, who died Oct. 10, 2024 at age 96, at the Cathedral of St. Matthew the Apostle in Washington, Wednesday, Oct. 16, 2024. (AP Photo/Ben Curtis)

President Joe Biden speaks at a memorial service for Ethel Kennedy, the wife of Sen. Robert F. Kennedy, who died Oct. 10, 2024 at age 96, at the Cathedral of St. Matthew the Apostle in Washington, Wednesday, Oct. 16, 2024. (AP Photo/Ben Curtis)

In this photo provided by Johns Hopkins Medicine, Dr. Dorry Segev, right, performs the first U.S. transplant of a kidney from a deceased donor who had HIV into a recipient living with HIV, in Baltimore, in March 2016. (Johns Hopkins Medicine via AP)

FILE - A CSX freight train sits on a siding in downtown Pittsburgh, Nov. 19, 2022. (AP Photo/Gene J. Puskar, File)

FILE - People bike past damaged homes and debris left by Hurricane Milton, on the sand-coated main road of southern Manasota Key, already cleared of feet of sand, in Englewood, Fla., Oct. 13, 2024. (AP Photo/Rebecca Blackwell, File)

FILE - Volunteer Paul Hancock pushes an oven damaged by floodwaters onto a pile of debris in the aftermath of Hurricane Harvey in Spring, Texas, on Sept. 3, 2017. (AP Photo/David J. Phillip, File)

FILE - Floodwaters from Hurricane Katrina cover a portion of New Orleans on Aug. 30, 2005. (AP Photo/David J. Phillip, File)