Leader of the free world has never been a role Trump has embraced. The world has gotten the message

President Trump's re-election has sparked calls for self-reliance from European allies concerned about his unpredictable foreign policy and criticism of alliances like NATO. Trump's supporters argue he's simply judicious about deploying the U.S. military, while critics fear his approach will embolden adversaries like Russia and China, fundamentally changing America's global role.