About 3,000 Mexicans have signed up to run in Sunday’s Chicago Marathon – setting up a possible showdown with the federales. The 47th running of the race is expected to draw 53,000 participants and nearly two million spectators, all in a city that has been rocked by violent crime and rabid anti-ICE protests. A defiant Chicago Mayor Brandon Johnson brought up the Mexican competitors at a press conference this week while urging calm. “I want all of them to come,” Chicago’s Democratic mayor said,