A bipartisan House Homeland Security Committee briefing with Anthropic's Jack Clark was held behind closed doors on Wednesday, per sources familiar with the meeting, and only briefly touched on the company's fight with the Pentagon.Why it matters: Anthropic — which is suing the federal government over its designation as a supply chain risk — is engaging with lawmakers on national security and AI, even as much of that discussion is happening out of the public eye.Inside the room: Clark met with c...