Monday's protesters called 63-year-old Robert Doggart a terrorist. "Doggart is a terrorist, just like ISIS," a group of more than 80 American Muslims chanted outside federal court in Chattanooga. Doggart, who is white, pleaded not guilty at his Monday arraignment to one charge of solicitation to commit a civil rights violation. Authorities believe he spent months gathering weapons and plotting an assault on a small Muslim community self-named "Islamberg" just outside of Hancock, N.Y. Protesters traveled from Islamberg and from other states demanding that Doggart, a resident of Sequatchie County, Tenn., on Signal Mountain and a 2014 congressional candidate, be...