Facebook is in the news and I will do my usual pre-IPO valuation and posting in a few days on the company but I want to focus in on an interesting story in this morning's New York Times about option exercise and taxation (at both the individual and corporate levels). The story itself focuses on two tax issues. The first is that Mark Zuckerberg is planning to exercise about $ 5 billion of options ahead of the offering, resulting in a tax bill of roughly $ 2 billion for him, about $1.5 billion...