This is supposed to be a routine hearing about worldwide threats. FBI Director James Comey had been scheduled to testify, along with several intelligence agency heads. Now that Comey has been fired, acting Director Andrew McCabe will replace him. There are sure to be questions about Comey's firing, the Russia investigation and more. We've got it streaming after the jump.

Democratic Senator Mark Warner, the vice chairman, has vowed that the committee will get to the bottom of Russia's meddling in the 2016 election. "The recent actions only increase the responsibilities" to get to the truth, he said.

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