Congressman will return to Washington in June, national Republican official says, as two political reports call the race a toss-up

Interview: Erin Covey, Cook Political Report analyst

Democrat Sue Altman is first-term Republican Rep. Tom Kean Jr.’s main challenger

Tammy Murphy and other Democrats vie for Menendez’ seat

Analysts say the race has been tightening in Healey’s favor

Democratic Rep. Andy Kim is fighting to hold on against GOP’s Bob Healey

Hundreds of thousands of NJ residents have already voted by mail

The Cook political report recently upgraded the race to 'likely Democratic'

Both candidates tried to rally their base just a week before the election.