Barry York is an historian and writer who blogs at C21st Left. He rejects the current pseudo-left and regards himself as a leftist influenced by Marxism.

"The remedy is veto reform and an accountable international force able to act promptly against aggression and mass atrocities."

Trying new medicines won't necessarily treat the underlying problems.
Where does this break down:

UN Charter Article 1.2.
"To develop friendly relations among nations based on respect for the principle of equal rights and self-determination of peoples, and to take other appropriate measures to strengthen universal peace"

http://www.un.org/en/about-us/un-charter/chapter-1

This all breaks down with unilateral U.S. sanctions and their control of the SWIFT payment system, and U.S. sponsored regime changes and military interventions many of which relate to U.S. support of Israel and maintaining the petrodollar.