Protesters gathered today outside a Starbucks in Philadelphia's Rittenhouse Square - the same store whose manager called the police on two black men who asked to use the restroom without paying. The manager has been fired, but the headache has continued for Starbucks. The company's 2015 Race Together initiative drew criticism from some corners, and the latest incident seems to highlight how hard it can be for companies to address implicit bias. Philadelphia Inquirer columnist Jenice Armstrong