The Spanish-language media giant, Univision Communications, will lay off almost 6 percent of its workforce — between 200 and 250 people — after it slipped into the red last quarter, the company announced Wednesday. The layoffs, along with a planned restructuring, “are in response to difficult times, challenging times,” Isaac Lee, Univision’s digital, entertainment and news chief, told The Washington Post in his first public comments on the moves. “We need to position ourselves for the future.” Univision had a third-quarter net loss of $30.5 million, on total revenues of $735 million, down 8 percent. As its traditional audience of...