Miami Herald – The Virgin Group is poised to launch its online casino gambling site in New Jersey. Gambling on virgincasino.com, one of 15 gambling websites approved last fall by New Jersey regulators, is due to begin Friday. But company officials said they chose to delay its launch while problems affecting numerous online sites involving login problems, payment issues and software glitches were worked out. Virgin is partnered with online game maker Gamesys, which also runs the Tropicana online casino site. “We’ve been rehearsing this moment for several years in the UK, including dealing with players who have bet more…