Curling up in front of a cozy wood fire on a nippy night will be banned in many parts of Southern California on bad air days under new regulations passed Friday by regional air regulators. Citing public health concerns in the heavily polluted Los Angeles Basin, the South Coast Air Quality Management District board voted unanimously to impose hefty fines on homeowners who burn wood in fireplaces on high-pollution days during winter months -- usually about two dozen days. "This is a fair trade-off," district Executive Director Barry Wallerstein said. "This is about trading personal rights for cleaner air and...