Ukraine can still beat Russia. It just comes down to enough Western aid.

• Ukraine can go back on the offensive, but it will require more troops and equipment.
• A RAND expert believes Ukraine can build a strike force capable of a decisive offensive.
• Right now, Ukraine's biggest problem isn't lack of manpower, but lack of equipment.

With 14 to 21 well-equipped brigades, Ukraine could eject Russian forces from all Ukrainian territory, according to an American expert.