Former
PolitickerCO.com reporter Jeremy Pelzer -- whose daily postings on the now-defunct site were must-reads for Colorado's politically attuned -- lands this week at
Elevated Voices, 5280's everything-to-know-about-Denver blog. Monday's posting examines potential challengers to Rep. Betsy Markey, who unseated three-term Republican Marilyn Musgrave and became the first Democrat to represent the sprawling 4th Congressional District in more than three decades.