Because of course he did:

Rep. Steve King Retweets Prominent Neo-Nazi to Celebrate Xenophobia

65% of Italians under the age of 35 now oppose mass immigration.
Europe is waking up… pic.twitter.com/EkpvwY5tik

— Mark Collett (@MarkACollett) June 12, 2018

Europe is waking up…Will America…in time? https://t.co/GqZ3E1lCyh

— Steve King (@SteveKingIA) June 12, 2018