Putin's plan is to 'out-suffer' Ukraine and win by sending hundreds of thousands of Russians to die, retired US general Petraeus says

• David Petraeus thinks Vladimir Putin hopes to beat Ukraine by sacrificing more lives.
• Petraeus cited previous conflicts where Russia won at the cost of an overwhelming death count.
• This included Russia's WWII fight against Hitler's Nazis, and Napoleon's 1812 invasion of Russia.

Retired US general David Petraeus says Russian leader Vladimir Putin is hoping to win its war against Ukraine by being prepared to suffer more.