Russian President Vladimir Putin and Iranian President Masoud Pezeshkian signed a broad cooperation agreement Friday, deepening their already growing partnership. The agreement, which Pezeshkian called a “solid foundation,

Russian President Vladimir Putin and Iranian President Masoud Pezeshkian met in Moscow on Friday to sign a broad 20-year treaty. CBS News national security contributor Sam Vinograd breaks down how it could affect U.

Russian and Iranian officials say the "comprehensive strategic partnership treaty" covers all areas -— from trade and military cooperation to science, education and culture.