The global integration of supply chains leave them susceptible to low-likelihood, high impact risks including conflict in the South China Sea and technological risks including cybersecurity and UAV interdiction. Also: Talks between Prime Minister Trudeau and President Trump have failed to address steel and aluminum tariffs issues; Sony faces tough choices if U.S. tariffs increase; air freight growth lagged sea freight in November; 2018 ended on a whimper for the Panama Canal; the extension of U.S.-China trade talks are positive, but may still not be conclusive; President Trump may call f...