By Rob Lenihan The two billionaires are bitcoin evangelists in which their respective companies have invested The luck of Irish was with bitcoin Thursday, aka St. Patrick’s Day, and two billionaire crypto supporters celebrate earning of the green. Michael Saylor, founder and CEO of MicroStrategy, and Mike Novogratz, CEO of Galaxy Investment Partners, both took to Twitter to sing the praises of bitcoin. ‘We Are Lucky to Have Bitcoin’Bitcoin and other cryptocurrencies were climbing after the Federal Reserve said on Wednesday that it would start raising interest rates for the first time since 201…