In a statement, Heinz says the district needs a change in leadership and the Republican McSally "has been too busy circling the wagons" around President Donald Trump.
Tucson doctor to again challenge Rep. McSally for CD2 seat →
With Mr. Barber's announcement, Mr. Heinz said Thursday he will respect Ms. Giffords' endorsement and now only run for a full term in November.
Giffords' aide seeks
to replace his boss
in special election →