Denverites have a decision to make this primary election, and the results could either send a fixture of Colorado politics back to Congress or could bring a new face into the U.S. Capitol.The 1st Congressional District has been represented by Congresswoman Diana DeGette for nearly 30 years. The incumbent candidate is being challenged by two Democrats this year Melat Kiros and Wanda James. WATCH: Denver7's Colette Bordelon spoke with all three ca…