The visit is seen as a triumph for President Macri’s efforts to rebuild relations with the US after a chilly 12 years, but has also rekindled painful memories of US support for the military dictatorship that took power in Argentina exactly 40 years ago.
Paul Singer is one of the best-known "vulture fund" honchos. Rubio's support for causes dear to him, while lucrative, may cost him voters in Florida.
The government’s default on its debt threatens to further erode confidence and amplify the economic uncertainty of its deep recession.
Argentina missed a Monday deadline to settle its sovereign debt — but still has a 30-day grace period before the "vulture funds" swoop in.
A Supreme Court decision in the debt "trial of the century" could endanger debt restructuring efforts by countries around the world.