Grains see another bloodbath on Tuesday with massive fund selling and new lows for the move scored across the complex.  Don Roose of U.S. Commodities, says traders taking out weather premium and leaning bearish heading into the acerage and quarterly stocks reports on Friday, plus delivery period.  Live cattle mixed but June hit a new high for the move and well supported by record cash and strong demand.  Hogs hit more new contract lows ahead of the Hogs and Pigs Report.