LONGMONT — A state effort to reconcile discrepancies between driver’s license information and Social Security information already has led to the cancellation of 2,000 Colorado licenses. Tens of thousands more Coloradans won’t be able to renew their licenses until they fix their records. Over the past two years and in batches, the DMV has run more than 4 million state licenses in its database against Social Security Administration data. In January, the DMV started the enforcement stage, sending multiple warning letters to 53,000 state residents...