Elon Musk got in hot water again on Twitter—for proposing peace. On Monday, Musk proposed a peace deal to end the war in Ukraine, for which he was denounced as a pro-Putin puppet by the Twitter mob that has formed to police the discourse on all things related to Ukraine.The president of Ukraine himself, Volodymyr Zelensky, accused Musk of supporting Russia—even though Musk's company SpaceX donated Starlink to Ukraine's war effort at an out-of-pocket cost of $80 million. (Full disclosure: Musk is a friend and I am an investor in SpaceX.) Ukrainian Ambassador to Germany Andrj Melnyk was less subtle,...