PHILADELPHIA — Pennsylvania’s sprawling Republican primaries for governor and U.S. Senate are staying wide open. Republican activists voted Saturday against making state party endorsements in the critical races, declining to elevate individual candidates in two fractious contests where no one has stood out as a clear-cut front-runner. An endorsement might have provided a measure of clarity in the two nationally watched elections, since the state party’s chosen picks almost always go on to win the GOP nomination. Instead, the vote in Lancaster by members of the GOP state committee left the Repu…
