What You Need to Know Today: Markets opened double digits higher Sunday evening following the release of Chinese and American official summaries of bilateral discussions last week. They chose the more optimistic view of future Chinese purchases of American farm goods versus the more opaque interpretation offered by the Chinese.  Three of the five bullet points in the Fact Sheet issued Sunday by the White House are related to agriculture, but markets must weigh two differing perspectives. On Saturday, the Chinese release emphasized the reduction in nontariff barriers, which may do little to move higher priced American commodities. The White House cites a $17 billion figure that sounds impressive and tangible. On the one hand, $17 billio...