"Rudy Zamora, an immigrant from Mexico and a resident of Las Vegas, followed all the rules.

He has lived in the U.S. since he was two years old and for years watched others cast votes that would directly impact his life. After submitting his naturalization paperwork the day he was first legally able, Zamora thought he would be able to participate in the Nevada caucuses on Feb. 20.

But he saw that day and the state convention pass without hearing from the immigration agency.

"I understand that a lot of people have also applied and that it could cause a backup. I keep thinking, as long as I can make it to November that's when I'll be relived," he said.

Over half a million immigrants, whose naturalization applications were filed months ago, are starting to make peace with the fact that, due to a backlog in processing applications, they may not be able to cast their first vote as American citizens in November..."

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