Chicago Alderman Byron Sigcho-Lopez sues in effort to get on ballot to replace Rep. 'Chuy' GarciaA candidate for Congress in Illinois' 4th District is suing over a law that requires a certain number of signatures to get on the ballot. A candidate for Congress in Illinois' 4th District is suing over a law that requires a certain number of signatures to get on the ballot. A candidate for Congress in Illinois' 4th District is suing over a law that requires a certain number of signatures to get on the ballot. A candidate for Congress in Illinois' 4th District is suing over a law that requires a certain number of signatures to get on the ballot. He is suing to have his name added to the November ballot in an effort to replace retiring U.S. Rep. Jesus "Chuy" Garcia.