Chrissy Garcia, curator and manager of Stanford Doerr School of Sustainability, specimen collection, gestures toward a fossilized tooth of a Pacific mastodon during an interview, Tuesday, Sept. 15, 2026, in Palo Alto, Calif. (AP Photo/Jeff Chiu)

A fossilized tooth of a Pacific mastodon, left, is displayed during an interview in the Stanford Doerr School of Sustainability, Tuesday, Sept. 15, 2026, in Palo Alto, Calif. (AP Photo/Jeff Chiu)

A fossilized tooth of a Pacific mastodon, left, is displayed during an interview in the Stanford Doerr School of Sustainability, Tuesday, Sept. 15, 2026, in Palo Alto, Calif. (AP Photo/Jeff Chiu)

U.S. Attorney General Todd Blanche listens during a news briefing in the Rose Garden of the White House, Tuesday, Sept. 15, 2026, in Washington. (AP Photo/Jacquelyn Martin)

President Donald Trump speaks during the RNC Midterm Convention, Wednesday, Sept. 9, 2026, at the American Airlines Center in Dallas. (AP Photo/Jacquelyn Martin)

Laura Bligh holds a sign outside the John F. Kennedy Center for the Performing Arts in Washington, Tuesday, Sept. 15, 2026. (AP Photo/Jacquelyn Martin)

Security officials stand outside of the John F. Kennedy Center for the Performing Arts in Washington, Tuesday, Sept. 15, 2026. (AP Photo/Jacquelyn Martin)

A sign is placed on a gate outside the John F. Kennedy Center for the Performing Arts in Washington, Tuesday, Sept. 15, 2026. (AP Photo/Jacquelyn Martin)