Five Republican presidential candidates clashed on the debate stage Wednesday over Ukraine, China, abortion and the future path of the party, while saving some of their ire for the absent frontrunner, Donald Trump. While the challengers appeared united in their support of Israel and its war against Hamas, tensions flared — including fierce personal attacks — in the debate barely two months before the all-important first votes in the White House nomination battle. The third televised debate occurred just a day after Democrats snatched key election victories in conservative and swing states, particularly over abortion rights, but the perennially thorny...