No-tipping trend now at more restaurants, with mixed results

When the bill comes after a meal, there's no crunching numbers for the tip - just pay and go.A small but growing number of restaurants are doing away with the tipping model that's long been the norm in the United States. It's an effort to even disparate pay among restaurant staff and offer them more predictability, as well as a means to cope with rising minimum wages and other industry changes. While restaurants that have eliminated the entrenched practice have seen mixed results - and some ende