What Happens if Russia Leaves the International Space Station?

Tensions from the Russia-Ukraine war have spilled into space. The head of Russia's space agency has threatened to pull the country out of the International Space Station if sanctions aren't lifted on the country — but that doesn't seem to be happening any time soon. What would it mean if Russia really did leave the ISS, who would it harm the most, and what would the consequences be both for the other ISS partners, and private space travel? Casey Dreier, Chief Advocate & Senior Space Policy Adviser at The Planetary Society, joins Closing Bell to discuss.