Arizona lawmakers appear close to sending to Gov. Jan Brewer a tea party-backed bill that proponents say would stop a United Nations takeover conspiracy but that critics claim could end state and cities’ pollution-fighting efforts and even dismantle the state unemployment office. A final legislative vote is expected Monday on a bill that would outlaw government support of any of the 27 principles contained in the 1992 United Nations Rio Declaration on Environment and Development, also sometimes referred to as Agenda 21. Senate Bill 1507 was passed by the state Senate last month and received an initial House affirmation Wednesday....