Former Texas Rep. Beto O’ Rourke, who is running for the Democratic presidential nomination, demands evidence that what Secretary of State Mike Pompeo said regarding Iran’s culpability in the tanker attacks in the Gulf of Oman last week is true.
WATCH: Trump ‘gunning for war’ with Iran, says Democratic presidential hopeful
Democratic presidential candidate Beto O'Rourke. (AP/Charlie Neibergall)