Administration appears to try to walk back US president's rhetorical escalation against Russian president in Warsaw speech

US president casts doubt on Russia shifting strategy in Ukraine, reiterates backing for NATO mutual defense pact while visiting neighboring Poland

US will not use chemical weapons even if Russia does, Sullivan says, as Kremlin accuses White House of 'diverting attention' and funding biological weapons labs in Ukraine

According to Wall Street Journal, after Zelensky-Biden call, NSC ordered Treasury to drop Russian-Israeli billionaire from sanctions list; US officials: He hasn't proven his worth

Moscow expresses anger at Biden's labeling of Putin as a 'war criminal' in remarks 'which are unworthy of a state figure of such a high rank'

Ukrainian leader says 'without negotiations, we cannot end this war,' while stressing the heavy cost to human life as UN reports 10 million displaced Ukrainians since war started

Moscow accuses US government of pursuing an 'extremely Russophobic policy' in response to the Russian invasion of Ukraine

Moscow demanding guarantees Western sanctions won't affect trade with Iran; US says it won't play 'Let's Make a Deal' with Moscow, as Iran accuses Washington of holding up talks

Bipartisan resolve in Congress to deter Russia and help Ukraine has acted as an accelerant on White House's strategy, pushing Biden administration to move quickly against invasion

With public outrage over the invasion of Ukraine rising, Biden administration is less able to resist measure, which could further increase inflation and prices at the pump