After months of controversy, Chancellor Olaf Scholz has ousted one of his governing partners, compounding the challenges for Europe since the election of Donald Trump.
The epidemic in Africa continues to grow, raising fears of another outbreak in the United States. But the vaccine is no longer free and vulnerable people go without it.
The prime minister replaced an experienced former general with Katz, who had been foreign minister and who staunchly supported Israel's right-wing government.
While Donald J. Trump is seen by many in Tehran as a disaster for their country, some hope he may be more open to negotiations for a second term as president of the United States.