July 11 (UPI) -- With approval ratings falling and key reforms stalled in Congress, Colombian President Gustavo Petro enters the final year of his term facing a surge in illegal armed groups, growing tensions with the United States and continued cabinet turnover. Petro's signature "total peace" policy -- central to his security strategy -- has drawn sharp criticism as Colombia contends with mass displacement, the killings of community leaders and weakened government institutions. "With 11