Incumbent Republican senator Dean Heller is up on Nevada television with his first advertisement of the cycle. The 30-second ad focuses on Heller's "no budget, no pay" bill, which would withhold the salaries of House and Senate members if Congress fails to pass a budget. Watch the ad below:

Heller is facing Democratic congresswoman Shelley Berkley, who has her own TV ad up to combat a recent American Crossroads ad, according to Roll Call.

The RealClearPolitics poll average for the race shows Heller with a 4.7-point lead over Berkley, but more recent polls have suggested the race may be closer than that. In a year where control of the Senate hangs on a few close, important races, both Republicans and Democrats will be investing heavily in Nevada, also an important swing state in the presidential election.

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