Students in the United Kingdom are on the march against deep cuts in higher education spending, and their protests are being organized and amplified by what, more and more, seems to be the standard social media tool-kit of Facebook, Twitter, blogs, and Google Maps (showing where marches are planned). Tomorrow they're holding the second in what appears to be a series of planned national walk-outs, and people are starting to call it a "Children's Crusade" for the large number of middle-school and high-school age students who are participating, along with their college peers. The forecast calls for snow, but it may also be a very big snowball fight, if all the plans circulating online come to fruition. Here's a bit...