D.C. experimented with giving child care workers big raises. The project may not last

WASHINGTON, D.C. — Jacqueline Strickland has spent nearly her entire life caring for children in Washington, D.C., starting at age 7, when she began babysitting her siblings after school, and then more formally at 14, when she began working at a daycare center. Despite the low pay, Strickland, 59, has stuck with her career, even…