LAS VEGAS (AP) — Concerns that antisemitism is on the rise among Republicans burst to the surface this weekend, turning a conference of the nation's leading Jewish Republicans from jubilation over a tenuous ceasefire in the Middle East into a clarion call to stem the spread of anti-Jewish voices within the party. The emerging schism was laid bare by a prominent conservative think tank president’s defense of talk show host Tucker Carlson’s controversial decision to welcome a far-right activist with antisemitic views onto his podcast Thursday, and Carlson’s hesitation to challenge some of his views. It prompted nearly every speaker...