Posted on December 23, 2015 by The Editorial Board in The New York Times The New York Times, By The Editorial Board In the final days of his second year in office, Mayor Bill de Blasio has stirred himself to greater action on homelessness. Under fire for months over a problem that he had promised long ago to solve — but one that he seemed inclined to dismiss or play down, or to blame on others — Mr. de Blasio stepped forward last week with a shake-up and a plan. The commissioner of the Department of Homeless Services, Gilbert Taylor, is out. The head of the Human Resources Administration, Steven Banks, is now going to oversee an array of programs and new ideas. There will be more outreach to and monitoring of people living on the street, more caseworkers guiding people to help, more police officers to handle encampments and people who seem disturbed or dangerous.