The gap in available affordable housing continues to grow in Delaware.Rents and housing costs are still rising, barriers to homeownership are widening, and the state is some 20,000 housing units short for median and low-income people. According to a new report from the National Low Income Housing Coalition, nearly a third of workers don't make enough to afford a one-bedroom apartment in the state.This week, Delaware Public Media’s Kyle McKinnon is joined by the executive director of Housing Alliance Delaware Rachel Stucker for a closer look at the challenges in providing affordable housing and why housing is getting more expensive in Delaware.