 thanks for spending time with us president biden is sounding a familiar theme on the foreign policy front at a nato summit in washington he promised to forcefully defend ukraine against russia's invasion using the global stage to try to show allies at home and abroad that he can still lead the 81 year old biden has endured 12 days of close examination about his fitness for office including from fellow democrats as some campaign donors fear that his disastrous debate performance late last month will cost him the november election