For more than five decades, late spring has been a season for writing at Wesleyan, and a distinguished cohort of literary talents will assemble in Middletown next month for the 55th annual Wesleyan Writers Conference. Roxana Robinson, Amy Bloom, Honor Moore and Arthur Phillips – whose new novel, The Tragedy of Arthur, was reviewed on the cover of the May 1 New York Times Book Review – will be among more than 20 professional literary artists, editors and publishers on campus from June 16 to June 20. “We are very serious about the work that we do,” says Anne Greene, director…