Establishment-backed Democrat wins high-profile congressional primary in Arizona

The daughter of late Democratic Rep. Raul Grijalva of Arizona has taken a big step toward succeeding her father in Congress.Former Pima County Supervisor Adelita Grijalva won the Democratic Party primary in Arizona's 7th Congressional District, according to The Associated Press.The younger Grijalva topped four other candidates in the heavily blue district, which stretches from Tucson to Yuma and includes almost the entire length of the state's southern border with Mexico. The 54-year-old Grijalva enjoyed the backing of some of the state's top Democrats, including Senators Mark Kelly and Ruben