Deals of the Year Six Other Notable Transactions of 2012 Blame it on Europe's endless recession, the U.S.'s shaky condition and Asia's lack of ignition: After the previous year's modest rise, 2012 didn't bring a hoped-for resurgence in mergers and acquisitions. Year-to-date through November 30, global M&A deal volume stood just shy of $2.4 trillion, according to Dealogic, a 14 percent drop from 2011. When it came to fees, M&A bankers had even less reason to cheer, as revenue plunged 21 percent, to $16.08 billion. Given those numbers, no wonder Citigroup just cut 150 jobs from its trading and investment banking unit as....