Some aides to US President Donald Trump are unhappy with Europe's efforts to strengthen Ukraine.
In another sign of the times, The Economist notes that Pentagon officials recently questioned an ally about why it continues to supply weapons to Ukraine.
Diplomats in Washington also report that some Trump aides privately say they are "fed up" with Europe's efforts to strengthen Ukraine.
"As always with such a chaotic administration, it is hard to distinguish the true signal from the noise," the newspaper notes.
The first is the effort by the UK and France to create a European "reassurance force" to help Ukraine after the ceasefire.
The Europeans hope to show Trump that they are taking on the burden of European security, hoping to maintain at least some American commitment to NATO, if not to Ukraine.
With Russia determined to continue its invasion and America seemingly intent on standing aside, Ukraine will have to fight on, Shimer says. »