Complex sentence: In 2008, the National Congress of Black Women and 14 other groups argued that case in a letter to the Federal Communications Commission, writing that a la carte programming would "wreak havoc" on programming diversity.
Split into simpler sentences: In 2008, the National Congress of Black Women and 14 other groups agreed with that rationale. In a letter to the Federal Communications Commission, the organizations wrote that a la carte programming would "wreak havoc" on programming diversity.