Who is Kathy Barnette, and can Pa. figure it out before she wins the GOP Senate nod?

For about an hour Wednesday night, the crunchy green artificial turf of the big indoor practice field at Newtown Athletic Club in Bucks County offered a kind of a safe space for Kathy Barnette to revel in her new status as sudden-shock co-front-runner in Pennsylvania’s GOP U.S. Senate primary, in the election that could tip the balance of power in Washington in 2023. Barnette, that kind of vague B-list Fox News pundit who’s never held elected office, basked in the loud whoops from about 400 Republican faithful when she was introduced at a panel of six contenders that also included her top riva...