JEFFERSON CITY, Mo. — Missouri House Democrats on Monday outlined a proposed state constitutional amendment that would allow Kansas City and other local governments to set stricter limits on guns following the mass shooting last week at the Chiefs Super Bowl victory rally. House Minority Leader Crystal Quade, a Springfield Democrat running for for governor, said Democrats plan to introduce measures on Tuesday that would restore the power of counties and cities such as Kansas City and St. Louis to set rules limiting guns. Missouri, which has some of the loosest firearm regulations in the countr…