Amazon’s data-center expansion turned Umatilla, Oregon into an unlikely nerve center for American infrastructure investment. The community of roughly 8,000 residents has seen home prices double and local government budgets surge from $7 million in 2011 to a hundred and $44 million in the past fiscal year. Yesenia Leon-Tejeda, a Realtor and daughter of Mexican-born farmhands who once worked 12-hour shifts at a distribution center, is now on pace to close 35 deals this…








