As President Donald Trump viciously attacked his perceived political foes, he whipped up boos from the gathered troops directed at California leaders, including Gov. Gavin Newsom.

The practice, an expert warns, could lead to "reprisals and retribution by the police for your politics.”

On the tenth anniversary of Abdulrahman al-Awlaki's killing, legal advocates say the US' legacy has been 'impunity for civilian deaths'