TOPEKA, Kan. — Several Kansas Supreme Court justices expressed skepticism about a Republican official’s decision to keep the Democratic nominee for the U.S. Senate on the ballot against his wishes as they reviewed a legal dispute that could affect the national fight for control of the Senate. During arguments before the court earlier this week, justices focused on whether a formal letter from Democrat Chad Taylor to withdraw from the race required Secretary of State Kris Kobach to remove Taylor’s …