Gregory Bovino and Jared Taylor flew in to support activists once deemed too toxic even by European far-right parties. The United States’ former Border Patrol chief Gregory Bovino was a VIP guest at the tightly controlled event that also included elected officials from Spain's Vox and Germany's Alternative for Germany (AfD). | Marion Solletty/POLITICO PORTO, Portugal — European far-right activists who advocate the mass deportation of immigrants and their descendants are getting a boost from...