By: Mark Glennon*   It comes down to a single question in Illinois. Everybody with an opinion about the financial mess should be forced to try to answer: What conceivable combination of tax increases and spending cuts would solve Illinois’ state and local fiscal crises without drastic reforms including cuts in pension benefits and an agenda that grows the tax base?   There is none. For three years we’ve linked here to every significant article, report and analysis we can find, from all sides. None has come remotely close to suggesting an answer. We’ve defied critics in the comments