WASHINGTON — Former Rep. Eric Swalwell is not the only member of Congress drawing attention for his activities off the House floor — with sources telling The Post that Rep. Jimmy Gomez, a married member of Swalwell’s “Cool Kids Clique,” was spotted surreptitiously kissing a much younger congressional aide in the summer of 2023. Swalwell (D-Calif.) fell in with Gomez, a fellow Golden State Democrat, and Sen. Ruben Gallego (D-Ariz.) while all three were still in the House, sources said. The trio became known for their socializing and drinking. While Gallego, Swalwell’s closest friend in Congress, faced questions about what...