But he said any further comments could be damaging for NATO.
"One of the reasons why NATO is successful is that we have always stayed out of domestic political issues," he said.
"If I start to say anything that makes it possible to connect me to ongoing political debates in any allied country, I will actually weaken the alliance."
He wouldn't, and he knows it. He was asked about Biden's health and did his job by not really answering.
There's a joke in there somewhere about chasing fame and the approval of strangers