LOS ANGELES - Kevin Ford, 54, of Las Vegas, Nevada is a man of grace and humility. He’s been working as a cook and a cashier at the Burger King in the city’s McCarran International Airport for the past 27 years. Ford said he’s never missed a day of work in that time. When he showed up to work earlier last week on the 27th anniversary of his employment, he didn’t make a big deal about it and not even his bosses were aware of the commemoration. But when he made a joke about the time he’s spent employed, management...