The Federal Reserve paused its interest-rate hike campaign on Wednesday for the second time this year, but the highly anticipated decision may offer little reprieve to debt-ridden Americans squeezed by higher borrowing costs. The widely expected decision Wednesday left interest rates unchanged at a range of 5.25% to 5.5%, the highest level since 2001. Policymakers also opened the door to another quarter-point increase – and indicated they will h…