Democrats rage at Trump’s every move but offer no real alternative—only fury, obstruction, and failed policies voters have already rejected. The Pavlovian Left goes berserk at the mere prospect of each new Trump initiative. Its escalating reactive venom and hysteria are calibrated to the success of Trump’s latest policy. Yet the new hard-left Democratic Party offers no counter-agenda to explain its furor. Still less do Democrats attempt bipartisan efforts to craft shared legislation. Take foreign policy. Democrat senators trashed the recent Trump-Putin Alaskan summit as a failure. Then they became depressed when, just days later, an entourage of European leaders...