THE OPEN Jan beans: steady Dec meal: .30 lower Dec soyoil: 20 lower Dec corn:  1 1/4 lower Dec wheat: 1/4 higher The markets opened as expected and found more selling pressure in corn on good harvest weather and increased global competition (South American offers are now more competitive into Jan as well as Dec). Weaker grains seemed to impact the soy complex, with small profit-taking in oilshare.  As regards politics and trade negotiations, the Wall Street Journal reported that the "phase one" deal would include Chinese purchases of American farm goods, rules to deter currency manipulation, and provisions to protect intellectual properties.   The idea of a phase one deal was to stop further tariffs from going int...