Cigarette smoking would be banned at city beaches and parks under a measure tentatively approved Monday by the city council. Sponsors said the measure will reduce litter and allow beachgoers to avoid secondhand smoke. "To me, this is a quality-of-life issue for San Diego," said Councilman Jim Madaffer, a co-sponsor. "This is an issue that is about public health and safety." The council unanimously approved the ban. A second vote is required before the measure becomes law. San Diego, whose miles of beaches are a major tourist draw, joins a handful of other California cities that have similar bans, including...