PHOENIX (AP) - A federal appeals court refused Tuesday to block part of an Arizona law that denies some public benefits to illegal immigrants, saying the plaintiffs had no right to sue. The voter-approved law appeared on Arizona's November election ballot. The portion at issue bars illegal immigrants from getting certain public benefits and makes it a crime for public employees to fail to report undocumented immigrants who seek the benefits. A separate provision, unaffected by the court challenge, requires people to show proof of citizenship when registering to vote. The plaintiffs had asked the 9th U.S. Circuit Court to...