>>> five protective booms have been placed around airport creek on the northern ends of the charles m. schultz sonoma airport. the spill was first reported this morning. crews are trying to determine the source of that spill. >>> for students to get their hands dirty by keeping their classroom clean. now they're taking a different approach into your child's academic future. >>> and an orchard turned into mush. why california's produce is not out of the woods yet. ♪ [ ukulele strumming ] ♪ [ folksy whistling ] [ man ] quitting is a fight you can't let yourself lose. it can take many tries. but keep trying, you will beat smoking. honey, you okay? yeah, i'm fine. ♪ [ ukulele ] >>> a vigil is expected to begin in about 45 minutes from now in hayward as friends and family members hold out hope for the safe return of nursing student michelle le. le disappeared seven days ago walking to a parking garage in hayward. >>> digital billboards in the bay area began showing pictures of le today along with a $20,000 reward being offered for her safe return. family members are trying to keep the search alive