By Rob Lenihan Former WeWork CEO Adam Neumann is back in the public eye. Who said there are no second acts in American lives? It was F. Scott Fitzgerald if you really want to know, but the author of “The Great Gatsby” and “The Last Tycoon” never crossed paths with Adam Neumann. ‘It’s A Big Idea’Neumann, who made a name for himself with his vertiginous rise and spectacular fall as co-founder and CEO of WeWork (WE) – Get WeWork Inc. Class A Report, is back in the news and this time he’s going crypto. The Israeli-American businessman and investor is backing Flowcarbon, a blockchain-enabled carbon…