Senator Ron Wyden, the top Democrat on the Senate Finance Committee, vows to "pull out all the stops" to fight back after the US moved to bar Anthropic (Steven T. Dennis/Bloomberg)

Steven T. Dennis / Bloomberg: Senator Ron Wyden, the top Democrat on the Senate Finance Committee, vows to “pull out all the stops” to fight back after the US moved to bar Anthropic  —  Congressional Democrats are vowing to contest the Trump administration's unprecedented actions against the artificial …