Rubio says Iran isn't serious about negotiations; Hegseth says war has cost $37.5 billion

Secretary of State Marco Rubio told reporters that while the U.S. is open to negotiations with Iran, Tehran doesn't seem serious about a solution. Meanwhile, Defense Secretary Pete Hegseth testified Tuesday that the war has cost $37.5 billion so far. CBS News' Charlie D'Agata and Aaron Navarro have the latest.