The Clinton camp is scrambling to catch up.Republican presidential candidate Ted Cruz is off to a booming start in terms of super PAC fundraising. His campaign’s primary political action committees reportedly took in a combined $31 million in just their first week of existence last month. Compared to his chief Democrat rival, Hillary Clinton, Cruz’s haul is even more impressive. Projections indicate that, even by the end of next month, Clinton’s Priorities USA Action super PAC will bring in less than half of what Cruz was able to raise in just a week. In response to the disappointing numbers, Clinton...