Howard Schultz, the chairman and CEO of Starbucks, is being urged to challenge Hillary Clinton for the Democratic presidential nomination. Schultz, 62, is getting encouragement from supporters because they believe "the time is right for someone who's not a political lifer," New York Times columnist Maureen Dowd said on Saturday. "It may be a tempting proposition." Raised in low-income housing in Brooklyn, Schultz later graduated from Northern Michigan University. He bought Starbucks in 1988 and built the company to where its operating income totaled $939 million in its most recent quarter, on $4.9 billion in sales. "He has strong opinions,...