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- Obama endorsed Kamala Harris' housing plan during his DNC speech.
- Harris' proposal aims to address housing affordability in part by building millions of new homes.
- Pro-housing advocates celebrated Obama's support, saying it signals YIMBYism rise.
In making his case for Vice President Kamala Harris to be America's next president, former President Barack Obama singled out a few of Harris' policy proposals and focused on one near and dear to anyone worried about the country's housing affordability crisis.