- House Republicans look set to stall a Senate-approved $60 billion aid deal for Ukraine.
- It could cost Ukraine the war and embolden Russia to severely weaken the US and NATO, analysts said.
- Russia poses the "worst threat" to the US since the fall of the Soviet Union, they said.
The House GOP's refusal to take up a massive aid deal to Ukraine starves its embattled military of the firepower it needs to defend itself from Russian attacks and, over a longer period, could cost Ukraine the war, according to military analysts.