if you can find your computer or anything else in the fog we have. 4 31, thanks for joining us i m eric thomas. and i m kristen sze. meteorologist mike nicco is tracking these things. heff in several spots. thick everywhere quarter mile visibility or less everywhere except sfo, napa, half moon bay three miles. look at oakland 1/8 of a mile where some of the thickest fog is now. winds are calm, nothing to push it around. it going to linger through at least 9:00 in the bay area. you can see all of the purple. as you head out in the central valley the northern central valley in it until 11:00. southern sections of the central valley until at least noon. cool forecast because of that fog or no, university of california campuses are bracing for big demonstrations. students are angry about crackdowns on occupy camps like this youtube video on campus, police pepper spraying protesters this month. students say that police response with budget cuts and tuition increases will