The resilience of the US economy and growth driven by high-income households is masking an underlying economic strain that is bleeding from the lowest earners to the middle class. The richest 10% of households are fueling nearly half of total US spending, while lower-income families are pulling back in the face of tight budgets and still-high living costs. This divergence in spending is fueling concern that the US is becoming susceptible to a more pronounced slowdown. Bloomberg's Catarina Saraiva joined Norah Mulinda and Bailey Lipschultz on 'Bloomberg Businessweek Daily' to break down the US "jenga tower" economy. (Source: Bloomberg)