Uncertainty remains the key certainty going into 2014.Two seemingly conflicting forecasts for 2014 involve concurrent value accretion for the U.S. dollar and ag commodities such as corn, wheat and sugar. The Bloomberg survey of analysts sees declines in soybeans. This is all driven in part by foreseen improvement in U.S. and global economic growth that boosts the dollar and the demand for commodities. Trade policy changes in the pipeline will arrive too late to affect 2014 very much, and forecasters say the 2010 stated goal of the administration's National Export Initiative (NEI), of doubling U.S. exports by 2015 is now unlikely to come to fruition. WPI had noted back when the NEI was announced that it would require a substantial fall in th...