Children that Ukraine says were taken by Russia are at the heart of peace talks thanks to a monthslong effort by Western officials and evangelical Christian groups.

For the German government, the arrest comes at a very inopportune time. If the suspect reveals who was behind the attack, it could lead to serious tensions with Kiev and Washington.

Mélenchon’s nationalist calls for France get more of the “cards of power” show that the NFP and the union bureaucracies will ...