RIO DE JANEIRO, BRAZIL - The tension in the discussions was such that when Argentina's president Alberto Fernández found himself alone, he seemed visibly offended and retorted to the rest of his partners: "If we have become a burden I am sorry, the easiest thing to do is to get off the boat."
Brazil, Uruguay and Paraguay confronted Argentina by asking for greater flexibility in negotiating trade agreements during a tense summit of presidents of the Southern Common Market (Mercosur) organized in Buenos Aires to commemorate the bloc's 30th anniversary.
Brazil's President Jair Bolsonaro, Uruguay's President . . .