Building Concern for US Corn/Soybean Planting Progress to Lift CBOT Amid Cool/Wet Weather Forecast: Prevent Plant Acceptance Grows

** AgResource Pre-Opening Sunday Calls: Soybeans 1-3 cents higher, corn 2-5 cents higher with wheat called 1-2 cents higher.  ** Weekend Weather & CBOT Market Discussion: Opening week CBOT calls are higher on continued cold/wet weather for the Central US into early June.       The US/China trade talks stalled on Friday and it will…