The Iowa Democratic Party received “an unusually high volume of inbound phone calls to its caucus hotline,” party says. Trolls posted the number on a 4chan message board and urged Trump supporters to “clog the lines” The results of the Iowa Democratic caucuses were delayed earlier this week. Democratic National Committee chair Tom Perez has called for a recanvass of the state due to the delay. The party says it’s prepared for any requests from presidential candidates to audit the paper records of report.”]