At an event celebrating the city's native son, Cardinal Blase Cupich spoke on immigration and the undocumented in his "Sermon on the Mound."

"It's a pleasure for me to greet all of you gathered together at White Sox Park on this great celebration," the pope said in the video message, his first public address to the U.S. since his election...

The ceremony at Rate Field was enticing since it would include Pope Leo’s first public remarks to Chicagoans since he was declared a certified-fresh Sox fan.