CHICAGO — President Joe Biden stumped for suburban Democrats in Joliet on Saturday, part of a final weekend campaign visit to what has been a reliably blue state that underscored national Democratic concerns that Republican gains in several races could give the party control of Congress on Election Day. In his last minute pitch that echoed his themes in stops that also included California, New York and Pennsylvania, Biden warned Republicans would try to cut Social Security and Medicare if they take over the House and Senate. “These programs do something so basic, and yet so important,” he told…
