PURCHASE, N.Y.--(BUSINESS WIRE)--Making its way across the country, more than twenty new banks and credit unions are now live with Apple Pay giving MasterCard cardholders from California to Florida the opportunity to leverage this simple and secure mobile payment option. Apple Pay continues its rapid growth, delivering payment choice to an increasing number of consumers. MasterCard cardholders with a consumer credit or debit card from BMO Harris, Cambridge Savings, Canton School Employees Feder