National Republicans are prepared to intervene in the Kansas Senate primary to ensure that conservative firebrand Kris Kobach does not win the party’s nomination should he run, multiple sources told the Kansas City Star. Kobach said this month that he is still “actively considering” a bid for the U.S. Senate next year in Kansas. The seat will come open with the retirement of Republican Sen. Pat Roberts, 83, who announced in January that he would not run for reelection. Any anti-Kobach efforts by groups such as the National Republican Senatorial Committee or the Senate Leadership Fund likely would take the...