US President Barack Obama (L) and First Lady Michelle Obama (2nd R) dance tango with Argentinian dancers Mora Godoy and Jose Lugones respectively during a state dinner at the Kirchner Cultural Centre in Buenos Aires on March 23, 2016. The United States and Argentina sealed a major trade deal on the eve -the first day of President Barack Obama's visit- bolstering the efforts of his counterpart to end a decade-and-a-half of international financial isolation. AFP PHOTO / NICHOLAS KAMM / AFP / NICHOLAS KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
