A crowded Democratic primary in New Jersey has candidates racing to cast themselves as best positioned to fight against President Donald Trump. Republicans, meanwhile, have turned their contest into a battle over who best represents Trump.

President Donald Trump endorsed Jack Ciattarelli for Governor of New Jersey, but who exactly is "Jack"? You don't know jack about Jack. Timeline. Giacchino Michael "Jack" Ciattare

NEW JERSEY (WABC) -- Jack Ciattarelli cast his ballot in Bridegewater and encouraged others to take part in early voting as well. "This is an opportunity to make a change and I remind them if you want change, you've got to make a change," Ciattarelli said.