Complex sentence: As a senator, she serves on the Insurance Committee, a position through which she became an advocate for property insurance reform, she worked to require insurance companies to pay the claims to homeowners in the wake of Katrina.
Split into simpler sentences: As a senator, she served on the Insurance Committee, a position through which she became an advocate for property insurance reform. She also worked to require insurance companies to pay the claims to homeowners in the wake of Katrina.