Colorado's legislative leaders have gaveled in their 2019 lawmaking session.
Democrats control both chambers in the four-month session that began Friday.
Republicans lost control of the state Senate in the November election, which also saw U.S. Rep. Jared Polis easily become the nation's first openly gay governor.
Constitutional restrictions on taxes and spending could curb the Democrats' ambitions to bolster educational and health care investment and fix aging roads.
Minority Republicans vow to oppose legislation they say will increase the cost of living for families.
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