Who defeated incumbent Republican Senator Mark Kirk to become the second female U.S. Senator from Illinois?
Carol Moseley Braun:  She was the only female U.S. Senator from Illinois until Tammy Duckworth who became the U.S. Senator from Illinois in January 2017. Tammy Duckworth:  In the 2016 election, Duckworth defeated incumbent Republican Senator Mark Kirk for the seat in the United States Senate.
i don't know