Most markets are closed for Presidents’ Day before the grains will open up tonight at 7 pm for the Tuesday session. Some of the markets currently open for abbreviated sessions included metals, crude oil, stock index futures, Treasury futures, and the dollar index – all were trading very quietly as of this writing. Grains are called to edge slightly lower at the open after better than expected coverage of rain over Argentina. In the Headlines Friday’s flash sale announcement for corn bought by Columbia made for the third daily corn sale of the week. Earlier in the week there was a soybean sale that was the first flash soybean sale in almost a month. The weekly export report was another strong one for corn, but it included the lowest total of the marketing year for soybeans. Export sales performance has been a top driver of the divergence between corn and soybean prices and was a likely contributor again to last week finishing with corn futures up and soybeans down. Budgetary talks were putting fresh focus on renewable fuels policy, as well as the farm bill. The 45Z clean fuel production credits were still at risk of being scrapped because of…