With a substantial 172 delegates at stake, California is sure to count.... which is why Republican candidates are doing everything they can to win big here.
Republican front-runner Donald Trump wants to earn enough delegates to clinch the majority and the likely nomination for his party.
Ted Cruz and John Kasich are looking to bring as many delegates to their campaigns as possible to force a contested election.
With that much at stake, there's a lot of money and a lot organization that's going into the play before the voting starts in June.
For more on the economic arms race headed our way, Take Two's Alex Cohen turn now to Politico's Shane Goldmacher.
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