WICHITA, Kan. (AP) — The vice chairman of President Donald Trump's election fraud commission says he wants to change U.S. election law so states have an incentive to require proof of U.S. citizenship to register to vote, according to a deposition unsealed Thursday.

Kansas Secretary of State Kris Kobach, a leading advocate of tighter voting laws, gave the testimony in a deposition made public as part of a federal lawsuit filed by American Civil Liberties Union challenging a Kansas voter registration law that requires documents such as a birth certificate, U.S. passport or naturalization papers....