Alva Review-Courier -

PHOENIX (AP) — The biggest knock-down, drag-out primary election fight among the 90 Arizona Senate and House seats up for grabs in November features two sitting Republican lawmakers in a suburban north Phoenix district battling for the soul of the GOP.

Sen. Heather Carter, known as one of the more moderate GOP lawmakers, is defending her seat against a challenge from Rep. Nancy Barto, a social conservative who has embraced anti-abortion and religious freedom legislation.

Both have represented the 15th District, either in the Senate or House, for years — Barto since 2006 and Carter since winnin...