H. Ross Perot Sr., the self-made Dallas billionaire-businessman, patriot and philanthropist who died Tuesday at age 89, was among the most consequential Texans of the last century. Besides running twice, in 1992 and 1996, as an independent and then a third-party presidential candidate, he founded two successful computer-services firm and gave away millions of dollars to causes … [Read more...] about A Passing: H. Ross Perot Sr.