for its part, the local teachers union has donated $50,000 to defeat the board. >> if the recall failsle you stay as a teacher here, do you think? >> i don't know. i really don't know. >> reporter: if wednesday morning i find that i am no longer on the board of education, i will get up and i will continue to work on improving education for students in this state and in this nation. >> reporter: when it's all over, spebding on this-- spending on this recall election is expected to top one million dollars >>> so a lot of money and a lot of voters are involved in this. the county has 85,000 students and 11,000 staff and teachers here. the polls are still open with half an hour to go. it is closing here at 7 o'clock mountain time >>> should we assume that whatever happens tonight in the election tomorrow, this controversy won't be over? >> reporter: no. it's far from over, even after the election as you said. you know this has been going for a year. there are a lot of wounds to be healed here from the teachers, the parents and the students. this community is deeply divided and this one day

. >> the local teachers union has donated $50,000 to defeat the board. >> if the recall fails, will you a teacher in jefferson county, do you think? >> i do not know. i really don't know. >> if wednesday morning i find that i'm no longer on the board of education, i will get up and i will continue to work on improving education for students in the state and in this nation. >> when it's all over, spending on this recall election i guess expected to top $1 million. al jazeera, golden, colorado. >> in the republican presidential race, there's a new poll that has ben carson extending his nationwide lead over donald trump. the nbc news wall street journal survey finding carson with 29% of the voters, the most of any republican, carson moving up six percentage points over the last month. trump's numbers are dropping. >> president obama spent last night poking fun at some of the republicans and their anger over their last debate. >> have you noticed that every one of these candidates say obama's weak, putin's kicking sand in his face. when i talk to putin, he's going to straighten out. just lo

up in jefferson county, colorado, the total will be something like $1 million spent again on this local school board race. a lot of it coming from the teacher's union, and a lot of it coming from conservancy advocacy groups, the koch brothers, and other sources in the country. some of it can be trained and some of it continue, but $1 million spent on a simple school board race here in colorado. and that's amazing for a race this size. >> jim, thank you so much. >>> and in san francisco, ai air b&b home rental service, on the ballot. and melissa chan joins us from san francisco. and so tell us about this air b&b initiative. >> proposition f has many parts, but the one that they're focusing on is the limitation to 75 nights per year for short-term rental. that would have a big impact on-air b and b. this is a cop that's worth $20 billion, and it has a presence in cities across the country, and around want globe. san francisco is not a top market for air b&b. but it is where the company is headquartered, so it's symbolic, as much as substantive. air b&b can not be seen as moving on its home turf, richelle. >> so how is air b&b responding to this? >> t

in education from the state to unions to parents to politicians to local community organizations ought to figure out how to get as many of these resources to children and the teachers and principals who know their needs best. secondly, as the state actively supports the expansion of charters in newark, it would share responsibility for the upheaval and stress which is placed on newark schools. a prominent education reforeman at the university of washington -- reformer at the university of washington actually said she believed there should be a pottery barn rule for the proponents of changing of existing school districts. you broke it, you bought it. i'd just like to touch on one more, and that's the role of private philanthropists. for generations the foundations of deceased early 20th century industrialists dominated education philanthropy, but since 2000 living billionaires have displaced them. bill gates of microsoft be, the walton family of the wall mort fortune. -- walmart fortune. they are making targeted, very large donations in hope of disrupting the existing education system which they see as antiquated and unequal to the task of educating the next generat