CBOT markets were spooked early this morning after U.S. Presidential aide Peter Navarro commented that the U.S.-China Phase One trade deal was “over”. The news sent corn futures down 8 cents and soybeans 14 cents lower until Navarro amended his statement and suggested it was taken out of context. President Trump later tweeted that the Phase One deal is still “fully intact”, which calmed the market and lifted row crops off session lows.  The morning’s volatility highlights how responsive U.S. ag markets are to sudden changes in export prospects and, apparently, how the increasing fragility of U.S.-China relations. Navarro’s errant comment comes just weeks after Chinese officials stated they intend to...