America's allies adjust to Trump's abandonment

French President Emmanuel Macron came to the White House this week and didn't even greet President Donald Trump at the door.

The president doesn't consider it necessary to show respect to America 's traditional allies anymore, writes Julian Zelizer .

Zelizer : The post-WWII alliances are being tossed aside in favor of new ones with strongman leaders.

U.S. is aligning with Russia and allies are right to be nervous as well, says Frida Ghitis .

The sell-out of Ukraine began almost the moment Trump took office, she says.

The post-WWII alliances are being tossed aside in favor of new ones with strongman leaders such as Vladimir Putin , China 's Xi Jinping , Turkey 's Recep Tayyip Erdogan , Saudi Arabia's Mohammed Bin Salman .

Ghitis: The world has begun to accept that this is real and is adjusting accordingly.