For the past three years, Michael Burns has been working on giving his company a fresh coat of paint. Founded in 1989 in Burns' own bedroom, Michael A. Burns & Associates Inc. was one of the first PR firms in Dallas to offer marketing for B2B clients. Now in its 28th year, the company has experienced a lot of success. But as Michael Burns freely admits, had some pretty dated practices. The company fell to the No. 20 position on the Dallas Business Journal's Top Public Relations Firms of 2015 list,...