GOOD MORNING, Welcome to the winter solstice, which is the shortest day of the year.  For stargazers, Jupiter and Saturn will appear in the sky, the closest they have been since 1623.  As for Ag prices, it has been a roller-coaster session with prices printing new contract highs for some of the markets at last night’s PM session open, breaking lower on macro weakness into the morning, and rebounding into the close.    Prices are mixed with steeper losses in soyoil on lower crude and palm prices, while beans, meal, and corn set new contract highs.  Macros weigh heavily, as world stocks are lower after Britain's Prime Minister Boris Johnson indicated that a highly infectious new strain of the Covid virus was a...