The presidential candidates are heading for a crucial showdown in the New York primary on April 19. News 12 Long Island has all the races covered - from the candidates vying for the White House to the hopefuls in the special 9th District state Senate race.

Watch our in-depth Island Vote series this week for everything you need to know about the primary - What's at stake, who Long Islanders are voting for and what to expect on this year's ballot.

News 12 Long Island. As Local as Local News Gets.

Donald Trump is betting that a win in his home state will vault him to the GOP nomination. Ted Cruz and John Kasich look for a game-changing upset.

Hillary Clinton and Bernie Sanders are locked in a bitter battle for the Empire State's delegates. Will Clinton clinch in her home state--or will Sanders surprise her? What are their strategies--- and who will be the best candidate for LIers?

Once powerful State Senator Dean Skelos was forced to give up this seat after his corruption conviction. Now there's a bruising race to replace him--and it could affect the balance of power in Albany. We profile Democrat Todd Kaminsky and Republican Christopher McGrath and take you behind the scenes of this important contest.

The ballot you'll see when you get to the polls on Primary Day can be downright confusing. We break it down for you. Know before you vote!