The Colorado Supreme Court has done what chronic primary challenges could not: end the congressional career of six-term Rep. Doug Lamborn (R). The State Supremes ruled that Lamborn (R) of Colorado Springs did not submit his petitions correctly and will not be on the ballot. The culprit is a technicality of Colorado’s byzantine ballot-qualification laws: Lamborn employed a firm that used a non-eligible petition circulator, and thus those petitions were invalid. Lamborn was always one of those strange incumbents who never got a hold on his district despite not making waves in DC: poor relationships with the local conservative establishment...