Sergio Lopez Sergio Lopez is an author and city councilmember for Campbell, California. He graduated from Yale University and studies at Duke Divinity School. By this Author Aug 13, 2021 Addressing the US housing crisis must be a top priority for churchesCommentary: Housing is quickly becoming a national crisis, and churches have a responsibility to help. Across the U.S., many Catholic churches own land, and that property can be used to build housing for the community.