Challenge to Colorado's new gun regs remain, but agreement reached on some

FILE -- Larimer County Sheriff Justin Smith speaks to a crowd. Sheriffs from around the state gathered to speak out against gun control before President Barack Obama was set to give a speech at the Denver Police Academy about a mile away. (AAron Ontiveroz, The Denver Post) Related Jul 10:Colo. gun magazine law proceeds after agreementJun 29:Free Magpul magazines draw thousands ahead of Colorado banColorado's new gun laws become a mobilizing issue for RepublicansJun 28:Colorado gun-control laws go in effect Monday; critics fumeJun 26:Colorado's Magpul to give away 1,500 30-round mags in last protestJun 24:Angela Giron recall effort moves forward with...