The severe unrest in Ukraine has the world grain trade casting a wary eye on Black Sea loadings, interior Ukrainian logistics and possible spring planting problems. General Comments Markets were given plenty to chew on today. Outside markets have U.S. stock indices higher despite mixed economic reports, including another drop in China's manufacturing index. However, various reports on U.S. economic activity in January that was plagued by bad weather were no worse than expected. The U.S. dollar index was up slightly, while crude oil, gold and copper closed lower.Considerable attention was focused on this morning's Outlook Conference presentation by USDA's Chief Economist Joe Glauber. He indicated that USDA is now projecting 2014 U.S. corn...