Sudan, Biden up for re-election, Erdogan's health and China-Ukraine relations

What to expect when the most powerful person in the world announces he's running for re-election and he's already a record-breaking 80 years old? Turkey's president drew attention to his health this week too. We also ask our Friday panel of journalists whether a wolf warrior diplomat's pronouncements in Paris may have unwittingly forced China's president to pick up the phone and speak with his Ukrainian counterpart for the first time since the start of the full-scale Russian invasion.