After leaving the Florida governorship, Jeb Bush often commanded tens of thousands of dollars for speaking engagements. Some of his bigger checks were signed by major corporations, private universities with considerable endowments, overseas business conferences -- and a church in Houston frequented for more than 50 years by his parents, former U.S. President George H.W. Bush and former first lady Barbara Bush. The former Florida governor charged one of his highest fees to St. Martin's Episcopal Church last year for a Sept. 30 event, according to a financial disclosure form with the Federal Election Commission. The fee of $50,000 was...