QUEEN CREEK, Ariz. - Out on Phoenix’s suburban fringes, where cement mixers are fast colonizing hay and cotton fields, the day is winding to a close. The home hour has arrived. But sundown gives away a troubling secret: Behind dark windows and unanswered doors, it’s clear nobody is coming home. The ranch home on Via del Palo where the newspaper in the driveway has been sitting unclaimed since April. The house at the corner of 223rd Court with faded fliers stuck in the door. They’re empty, left behind by a rising tide of foreclosures. This neighborhood has a still-unfolding story...