MT. LEBANON, Pa. — One of the most hotly contested races of the 2022 midterms is taking place in the Pittsburgh suburbs and it could test how well, or poorly, each party fares in Tuesday's election. In Pennsylvania’s 17th Congressional District, Democrat Chris Deluzio is taking on Republican Jeremy Shaffer in the only toss-up contest for an open congressional seat in the six swing states that President Joe Biden won in 2020, according to The Cook Political Report, the nonpartisan analyst of elections. The race is a must-win for Democrats to have any hope of retaining control of the House....