The question of how to blunt the edge of rising property taxes is again echoing in the halls of Colorado’s Capitol. The answer to that, however, is a work in progress. No proposal has been released by legislative leaders, though they say it’s a problem that’s top of mind this session — especially with looming spikes in tax bills and the ever-present possibility that activists could circumvent lawmakers in favor of the ballot box. Conversations about long-term fixes to the state’s property tax system and its short-term shoring up are underway, said Senate Majority Leader Dominick Moreno, a Commerce City Democrat.