USDA released its weekly sales report last week with some mixed news, but another trade report has some interesting insights into the overall economy: the August international trade report from the Department of Commerce.  The U.S. trade deficit in all goods and services was $54.9 billion in August; that compares to a deficit of $54 billion in July.  Exports actually increased $500 million in August (0.2 percent), but imports rose faster at $1.3 billion (0.5 percent).   The most important economic indicator from this is that the total volume of trade increased.  Indeed, from an economic perspective, the total volume of trade is an important indicator as it reflects the trend in overall economic activity.  Augu...