A Pennsylvania businessman credited luck with helping him win a total $15.1 from New Jersey casinos during a six-month period. Don Johnson, 49, of Bensalem, has come forward as the previously unidentified man whose blackjack playing at Atlantic City. N.J., casinos earned him $4.23 million from Caesars, $5 million from Borgata and $5.8 million from Tropicana, the Press of Atlantic City reported Wednesday. \"I\'ll take luck over any other skill,\" Johnson said. \"There\'s no magic to this. Eventually, someone would whack them. I\'m just glad it was me.\" Johnson serves as chief executive officer of Heritage Development LLC, based in Wyoming, which uses computer-assisted wagering programs for horse racing. \"I don\'t think they will let me play anymore,\" he said of the Atlantic City casinos. \"But it\'s not going to change my life. If I don\'t play blackjack, I\'ll just go to the horse races.\"