There are a lot of policies and political factors weighing in on the 2012 Farm Bill. These include spending levels for the nutrition programs, the structure and costs of the risk management programs, how Southern commodities are to be treated, payment limits, the upcoming sequestration in January 2013 and whether either party really wants to focus a vote on some tough decisions (i.e. Republicans not wanting to choose between farm programs and Tea Party pressure to cut spending; Democrats not wanting to choose between nutrition programs and farm programs). But now there is a new factor: the weather. Drought and heat are quickly becoming more important than a long-term farm bill.On Friday, Senators Max Baucus (D-Montana), Kent Conrad (D-Nor...