President Donald Trump said on Saturday that the United States and Latin American countries are banding together to combat violent cartels as his administration looks to demonstrate it remains committed to sharpening US foreign policy focus on the Western Hemisphere even while dealing with five-alarm crises around the globe. Trump encouraged regional leaders gathered at his Miami-area golf club to take military action against drug-trafficking cartels and transnational gangs that he says pose an "unacceptable threat" to the hemisphere's national security. "The only way to defeat these enemies is by unleashing the power of our militaries," Trump said. "We have to use our military. You have to use your military." Citing the US-led coalition that confronted the Islamic State group in the Middle East, the Republican president said that "we must now do the same thing to eradicate the cartels at home". The gathering, which the White House called the "Shield of the Americas" summit, came ju