Colorado Republicans, missing a golden opportunity, seem to be falling short in their efforts to take over the U.S. Senate place vacated by Democrat Edwin Johnson, who is running for governor. As of last week Democratic Candidate John Carroll, 53, a onetime cop and fingerprint expert, now a lawyer, appeared to be holding on to a lead of about 5 to 3 (as indicated by a recent poll) over Lieutenant Governor Gordon Allott, 47, the G.O.P. senatorial nominee.
John Carroll, who still carries the childhood nickname of "Jinx," has been called the most predictable man in Colorado politics (Vice President Nixon last...