Vladimir Putin's war in Ukraine has threatened to be a public relations disaster for hard-right gatherings like CPAC, the Conservative Political Action Conference. Previous editions featured Putin supporters — and a CPAC meeting getting underway in Budapest will feature Hungarian prime minister Viktor Orbán, who remains on highly cordial terms with the Kremlin. So what playbook can participants at CPAC — which is being held for the first time in Europe — use to put a cordon sanitaire between them and Putin? A similar conference of National Conservatives, who met in Brussels in March, offers clues.