Who is Perussuomalaiset (PS)* party heir-apparent Riikka Purra’s mentor? Is it far-right leader Marine Le Pen of France’s National Rally or UK home secretary hardliner Priti Patel? Purra got her anti-immigration inspiration from Jussi Halla-aho’s racist blog postings. “If it’s up to me, the Perussuomalaiset will never form part of a government that won’t tighten significantly Finnish…