WASHINGTON, April 25 — Concerned about an increase in violence on television, the Federal Communications Commission on Wednesday urged lawmakers to consider regulations that would restrict violent programs to late evening, when most children would not be watching. The commission, in a long-awaited report, concluded that the program ratings system and technology intended to help parents block offensive programs — like the V-chip — had failed to protect children from being regularly exposed to violence. As a result, the commission recommended that Congress move to limit violence on entertainment programs by giving the agency the authority to define such content...