The Colorado Supreme Court is considering a Republican appeal challenging a judge's ruling siding with Democratic-drawn congressional lines. The lines would put Rep. Mike Coffman's safe GOP district in play next year.
The court is set to hearing arguments in the case Thursday.
Republicans are objecting to a lower court ruling last month because it divides Coffman's district in the southern Denver suburbs by putting GOP-leaning portions of his seat on the Eastern Plains. The proposal also puts all of the city of Aurora in Coffman's district. Aurora is currently split into two districts.
Republicans argued for minimal changes to congressional lines in place for the last 10 years. But Denver District Judge Robert Hyatt criticized that approach and said the Democratic proposal best reflected demographic changes during the last decade.
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