SARA HICKMAN In music and in business, Texas’ Official State Musician has it covered Sara Hickman doesn’t waste a moment. An adept multitasker, she is devoted to both her family (she lists her role as wife and mother prominently in her résumé) and a far-flung 22-year career that’s brought her success as a singer, songwriter, producer and entrepreneur. These days the tireless Texan is busier than ever with a long list of projects. They include...