WASHINGTON - A Republican senator criticized the Bush administration Monday for failing to aggressively confront China over its test of a satellite-killing weapon, which he called a provocative militarization of space. "Key policy makers seem oblivious to the nature and the urgency of the threat," Sen. Jon Kyl (news, bio, voting record), Ariz., told an audience at the Heritage Foundation, a conservative think tank. "It's time to start speaking out about this." The Jan. 11 test destroyed a defunct Chinese weather satellite by hitting it with a warhead launched from a ballistic missile. A week later, National Security Council spokesman...