Donald Trump's isolationism shocks people -- but it's actually default setting for US / As US isolationism deepens, Europe needs to step up / John Major: Trump's US isolationism threatens global democracy / Column: Trump isn't an isolationist. He's a bully -- and that's hurting U.S. influence in the world / Mitch McConnell urges Trump to reject GOP calls for isolationism / McConnell urges Trump to reject isolationism / Mitch McConnell's preemptive strike on GOP isolationism / Voters want more US involvement on world stage despite isolationist talk, Ronald Reagan Institute survey finds / Yellen says isolationism 'made America and the world worse off' in speech to global finance leaders / 'America First' is a resonant history of FDR's fight against isolationist movement