In Argentina, presidential candidate Javier Milei -- a libertarian who has promised to overhaul the country's economic system, including by replacing the Argentine peso with the U.S. dollar -- is currently leading the polls ahead of the Oct. 22 presidential election, fueling fears that the country could soon be ''dollarized.'' In light of Milei's expected victory, it's important to look at the unique challenges dollarization would pose in Argentina, given the country's history of hyperinflation, economic crises and political instability....