Time announces its 2013 startups to watch list, the heart-warming story behind hot-sauce maker Sriracha, politicians pave the way for online sales taxes, Google and Apple faceoff in a bidding war for Wavii, social media ruffles Wall Street's feathers, struggling cities find saviors in startups, a look inside a 350-year-old business for a lesson in sustainability… This week’s notable news and tantalizing tidbits for young treps.