THE OPEN Jan beans:  2 lower Dec meal:  .80 higher Dec soyoil:  20 lower Dec corn:    1/4 lower Dec wheat:  1 higher The markets opened as expected with profit-taking in beans and soyoil futures to start the day.   Funds were net sellers of corn, triggering small stops in wheat.  Buy wheat/sell corn and bean trade, and buy grains/sell soy became the feature spreads of the day.  Price action was again choppy with little follow-through on either side of current trading ranges.  A news report that there was a scheduled phone call between US Trade Rep. Robert Lighthizer, Treas. Sec. Steve Mnuchin, and Chinese representatives in a further attempt to hammer out a phase one agreement got...