Each year, when writing the CE Views column immediately after the annual Clean-Tech Investor Summit (co-produced by International Business Forum and Clean Edge), I've been struck by how it always seems to coincide with a major event with deep implications for the clean-tech industry. Usually this has come on the political stage: President Obama's inauguration, the balance-tipping election of Massachusetts Republican Senator Scott Brown, or even former President George W. Bush's State of the Union assertion that we are "addicted to oil."