Petro Faces Major Crisis.

Colombian President Gustavo Petro is facing his biggest crisis yet, with a political scandal involving his former chief of staff and the former ambassador to Venezuela. Petro's reputation as a clean figure in Colombian politics is at risk, and his approval rating has sagged into the low 30s. He now faces difficult choices, including replacing key insiders with more loyal members of his coalition, making concessions on his reform agenda, or taking the fight to Twitter and the streets. Opposition leaders have already announced an investigation that could lead to impeachment.