Ukraine has been launching drone attacks deep into Russia; what kind of impact will this have on the war?

Ukraine continues launching drone strikes deep inside Russia, raising new questions about the future of the war. Are these attacks changing the battlefield? Could they increase pressure for a negotiated settlement or lead to even greater escalation? Ian Kelly, a former US Ambassador to the Organization for Security and Co-operation in Europe and to Georgia, now on the faculty of Northwestern University, joins Newell to discuss it.