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"There's probably a lot of jockeying inside of Iran right now, they have a very consultative, deliberative process to replace the Supreme Leader," Sen. Tom Cotton said Sunday on "Face the Nation with Margaret Brennan."

More than 2,400 flights were canceled Sunday across airports in the Middle East, according to flight tracker FlightAware.

The following is the transcript of the interview with Sen. Tom Cotton, Republican of Arkansas, that aired on "Face the Nation with Margaret Brennan" on March 1, 2026.

Iran's brutal regime was hobbled after a day of war with the U.S. and Israel, but as people gathered for the ayatollah's funeral, the country's future remained uncertain.

The president said the strikes have put immense pressure on Iran, and he believes the U.S.-Israeli military action can lead to an eventual diplomatic solution.

Mexico's attorney general's office said it performed genetic tests to match the cartel leader's remains to the family.

"We're probably looking at weeks, not days, of joint efforts by the United States, Israel and our Arab partners, who have also been attacked this morning," Sen. Tom Cotton told CBS News on Saturday.

Iranian Supreme Leader Ayatollah Ali Khamenei is presumed dead after a massive U.S. and Israeli military operation on Saturday, according to multiple Israeli official sources confirmed to CBS News.

A map created by the CBS News data team shows the strike locations across Iran, including the capital and the site of a major nuclear facility.

Americans weighed in on how long a conflict with Iran might last and what Congress should do.