For all its faults, journalism is an exciting place to be. Amid the trivia, there are big stories – climate change, demographic change, the shift of power from West to East, the debate in and about Islam, the Middle East, inequality between and within nations, food security, water security, energy, terrorism, the advance of technology. Journalism has a vital role to play in all these debates. A lot of it happening in specialist, often academic circles, often on the web, rather than in what we call the mass media. But as the balance between mass media and new media continues to shift, the debate can improve. See what I mean about optimism?