At the start of Israel’s war on Gaza in October, Donald Trump loudly presented himself as the key US ally’s ultimate champion. But six months and more than 33,000 deaths in Gaza later, the Republican White House hopeful has become increasingly vague on the intensity of that support. The former US president, not usually known for biting his tongue on any given topic, has only halfheartedly commented on the issue in two recent interviews. “I’m not sure that I’m loving the way they’re doing it,” he told a conservative radio host Thursday about Israel’s offensive. And in an exchange with Israeli m…