Paul Graham's Y Combinator has launched a social news service called Y Combinator Startup News. It is very similar in form and function to Reddit, a company funded by Y Combinator and acquired by Condé Nast/Wired in the fall of 2006. The content will focus primarily on startups. In addition to being a test for Arc (a new dialect of LISP), the primary goal is to get to know future entrepreneurs th