The distribution of operational leverage points in US strategy has changed significantly over the past two decades, with a sharp reduction. Donald Trump's distancing and repeated criticism of traditional US alliances threaten to undermine the entire architecture of the US presence in the world, beyond the concrete, real and, in particular, industrial impasses of America's military posture.

During his election campaign, Donald Trump promised to settle the war in Ukraine in 24 hours. As the American president settles into the White House, different options are emerging for the future of this conflict. Some are more likely than others, but none can be ruled out. European countries appear increasingly divided over Russia, and the European Union risks paying a high price if it fails to come up with a solid common strategy.

Almost thirty years after the genocide of the Tutsis in Rwanda, the entire region remains unstable. After Paul Kagame came to power, 1.5 million Hutus fled to the Democratic Republic of the Congo. For the Rwandan president, they represented an unacceptable threat. There then followed the First and Second Congo Wars, the consequences of which are still apparent. The recent attacks perpetrated by  the M23 rebels are a new episode in this tragic story.