Finance Warren Buffett wrote to Leon Cooperman about stock buybacks, taxing the rich, and the presidency. Here are the 3 messages, from Cooperman’s new memoirSeptember 10, 20230 Leon Cooperman.Jeff Zelevansky/ReutersWarren Buffett wrote to Leon Cooperman about inventory buybacks, taxing the wealthy, and Henry Singleton.When Cooperman was mulling…