Large numbers of migrants from Venezuela are traveling thousands of miles to the U.S.-Mexico border, as their nation experiences food shortages and high inflation.

What might the official re-opening of the border to trade between Colombia and Venezuela mean for the two countries - and for the record number of Venezuelans trying to leave their own country?

This month voters elected Gustavo Petro — the nation's first leftist president. His running mate Francia Marquez also broke barriers when she became South America's first Black vice president.