In New Jersey’s 7th Congressional District, incumbent Tom Malinowski (D-Ringoes) is facing challenger Tom Kean Jr. (R-Westfield) in a rematch of the 2020 race that the Democrat won by less than a percentage point. But now, the district’s boundaries have been redrawn to include an extra 30,000 registered Republicans. If Kean Jr. is able to win the seat, he could help tip the majority of the U.S. House of Representatives.