We've been hearing about a lot of drama going on at $2 billion startup GitHub, the hugely important and popular site used by millions of computer programmers where 10 or more executives have departed in recent months.The more we write about the inner turmoil, the more people step forward to share details and opinions.…"They are trying to control culture, interviewing and firing. Scary times at the company without a seasoned leader. While their efforts are admirable it is very hard to even interview people who are 'white' which makes things challenging," this person said.Sanchez is known for some strong views...