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51³Ô¹ÏºÚÁÏ history professor Michael Green explains the history of the mail-in ballot, which dates back to the 17th century.

Abraham Lincoln. The country’s 16th president is known for many things: Signing the Emancipation Proclamation. Appearing on the $5 bill. Helping to usher in the modern-day practice of mail-in voting.

Mr. Vice President, welcome to Nevada.

Thanks to its good food, clubs and luxury hotels, Las Vegas is known for attracting celebrities.

Thanks to its fine dining, clubs and luxury hotels, Las Vegas has been known to attract A-list celebrities.

With three properties in Las Vegas now committed to reducing smoking, a question looms: could all of Sin City’s hotels and casinos go smoke-free?

Park MGM is reopening this week, completely smoke-free. FOX5's @KylaGaler speaks with a local historian and gaming expert about whether it will start a trend for other properties.

Public health advocates are praising MGM Resorts International for establishing the Strip’s first nonsmoking casino in decades, but industry observers say it’s too early to know if the Park MGM will be a trendsetter or a one-off trial.