No, he meant 90% of the coalition military casualties. What he means if we had a greater coalition with more troops from other countries, we would share more of the casualties. Which is true. Unfortunately France and Germany are wusses like him.
We should include the Iraqi National Guard as an ally. Their losses count, too.
Their leaders will never send troops to Iraq for fear of what their own socialist media will do to them.
"I believe America is safest and strongest when we are leading the world and we are leading strong alliances. I'll never give a veto to any country over our security. But I also know how to lead those alliances. This president has left them in shatters across the globe, and we're now 90 percent of the casualties in Iraq and 90 percent of the costs." Read it how you want.