Corn futures started to falter when Canada's government made comments about forcing its railroads to move more grain and oilseeds. That helped push the oats market down the 20-cent limit and that seemed to drag corn lower as well. General Comments Corn and wheat markets exploded higher in the middle of the night, apparently on news that Russia plans to conduct air defense drills near the border with Ukraine. That pushed May corn above $5.00 and wheat futures 15-20 higher. The soy complex was also very strong, led again by old crop soybean futures. Trading volume today was very big in all three markets (wheat, corn and soybeans).Corn futures started to falter when Canada's government made comments about forcing its railroads to move more g...