brasilia brazilian u.s. officials talk white house visit president michel temer discuss bilateral trade investment issue two source temer office say wednesday u.s. president donald trump invite temer visit march 18 phone call two leaders discuss deepen commercial business tie western hemisphere large economies source say trump promise defend u.s. company foreign competition worry washington partner much latin america especially mexico pressure rework free-trade deal northern neighbor center-right temer government hop see business opportunities open unite state struggle rescue brazilian economy two-year recession industries brazil whose big trade partner china benefit weak real currency could potentially increase u.s. market share trump advance threats overhaul pull north american free trade agreement mexico canada threat unite state plenty investment opportunities countries one source senior government official say source ask identify authorize speak temer possible white house visit publicly date visit set say temer press office decline comment brazil eye presidential visit white house source