Complex sentence: After college, she began to work for the "Rocky Mountain News" and served as their Washington, D.C. correspondent until 1996 and continued at the paper until it closed in 2009.
Split into simpler sentences: After college, she began to work for the "Rocky Mountain News" and served as their Washington, D.C. correspondent until 1996. She worked as a staff writer/reporter for the "Rocky Mountain News" until the paper was shut down in 2009.