A.M. Edition for July 7. President Trump threatens additional 10% tariffs on countries that align with the Brics group of emerging economies. WSJ deputy editor Quentin Webb says it kicks off a crucial week for trade ahead of a Wednesday deadline for dozens of countries to strike a deal with Washington. Plus, the search for survivors in Central Texas continues after flash floods on Friday killed at least 82 people. And Tesla investors question Elon Musk’s plans to form a new political party and send the stock tumbling in pre-market trade. Luke Vargas hosts. 

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