Apple CEO Tim Cook calls up Warren Buffett, Lloyd Blankfein, and Bill Clinton for advice (AAPL)

Running Apple is a lonely job, according to CEO Tim Cook. It's hard work, with long hours, and you have to make decisions that affect tens of thousands of employees. 
But he has a few people he can turn to for advice, Cook revealed in a lengthy interview with the Washington Post. Those people happen to be former President Bill Clinton, Goldman Sachs CEO Lloyd Blankfein, and investing legend Warren Buffett. 
That's because they understand what Cook is going through,