david: he was born in san francisco but his family live in pescadero.an mateo county, just over the mountains from palo alto in mountain view. and with the exception of probably the number of years you could count on the fingers of both hands, his wife was within 60 miles of pescadero. here's the real story of a person who changed the world largely by staying at home. emily: i know he is quite active in philanthropy. does he worry that moore's law could be undermined or disproven someday? david: he does have a concern that he sees some fundamental limits coming up to our ability to shrink transistors ever smaller and put more of them onto chips. at the same time, reducing the cost of electronics. he sees a couple fundamentals the size of an atom, the speed of light, these are physics barriers in its way. he's concerned that within this decade, it may end. although he does say he hopes he is wrong. and he is quick to point out that many times in the past, he and his colleagues in the semiconductor industry have only been able to see perhaps 10 years into

more significant cell just north of pescadero.es. in the sierra nevada a winter weather advisory. you see 80 here with the snow. anywhere from 2 to 7 inches above 3500 feet. some wintry travel if you are headed to the mountains. windy, as well. from the sutro tower camera it is cloudy outside with 49 oakland, 43 san jose, 49 morgan hill. if you have friends or family visiting hopefully they had some sunny, dry weather to enjoy, but boy, we need the rain. a little bit on the way today. 45 petaluma and 46 this livermore. a final stop, the golden gate bridge. not much happening now, but most of the activity will be in the north bay. maybe .2 before it's all said and done for some easter showers. heavier rain for everyone tomorrow. and by the evening commute we will see showers, gusty winds. the heaviest rain after midnight. and tuesday looks like a cool day with showers. possibility of a thunderstorm. maybe some small hail. snow levels step down to 3500 feet. culprit is this area of low pressure. the cold low that will eventually swe

and you know, if you like the outdoors, we're sitting in pescadero, california, in the outdoors, anduld be hard to re-create. betty: steyer tries to get out to his ranch a few times a week. in addition to raising grass-fed cattle, the ranch plays host to local school children who come to visit dorothy, the 300-pound pig. steyer: the normal rule is don't name it if you want to eat it, right? but this really is the equivalent of a petting zoo. we could go inside the -- betty: the kids come here? steyer: or go inside and feed them and do that stuff. here comes dorothy. betty: there she is. steyer: let me ask you a question. do you have an apple for her? [laughter] betty: do we have an apple? steyer: no. if we were smart, that's what she's interested in, not us. betty: look at her walk. tom steyer seems to have moved comfortably from ceo to his new role as environmental caretaker, but it remains to be seen if his passion and deep pockets are enough to conquer keystone. steyer: i think my parents had a strong sense of participating in their community, which is all i really think i'm doing

elevations may be looking at the peninsula we have a moderate rain shower happening right now in pescadero is also attracting off and the most of this is moving out we should not see any of the shower letter on this afternoon. >>: michelle: cloud conditions out there along with pockets of rain here is what looks like in the morning to have a few passing showers is one of those mornings we need to wrap umbrella before the most part you may not see anything that would cloud cover lunch hour mostly cloudy skies part of the peninsula you might see a little bit of sunshine what we're looking yen in afternoon as to get the kids home from school you will see some sunshine and some clout. the 6:00 new system sunshine across the area. >>: michelle: it will be on the kuala size so maybe some layers on in this afternoon the senses of the plant only warming at into the lower 60s this afternoon but was imprisoned western's if a flood the upper 50s for much of the day. this is still much cool of the war have been for the lead. >>reporter: not a bad looking forecast again that we definitely need more rai