approaches. the fire began midday saturday. it is burning through an area of north of sacramento. firefighters say 3500 homes are threatened four have been destroyed. lightening strikes may have sparked that blaze. a bullseye for nasa as the rover curiosity has tblasts the first martian rock today. they are banl liesing the composition of mars rocks. they are determining whether or not the planet most lie earth could have supported life. rover landed on mars after traveling 3 r5 4 million miles. craig boswell now back to fox news reporting cities going broke. now the biggest local government bankruptcy of all. $4 billion. it took some doing.