The U.S. military plans to scale back its role in Somalia and curtail airstrikes against al-Shabab insurgents after having taken out many of the group's senior operatives, two senior U.S. officials told NBC News, the latest signal the Trump administration is looking to cut the number of troops deployed around the world. The move reflects an assessment by the administration that while the Shabab insurgency remains a threat to the Somali government and neighboring countries, it does not pose a direct danger to the U.S., current and former officials said. And it follows President Donald Trump's abrupt announcement last month...