John Simpson, in discussion with the BBC's unparalleled range of experts across the world, analyses whether Russia’s war in Ukraine is nearing an endgame, examines the implications of the surge in support for the right in the German elections and looks at the huge increase in government surveillance under the Taliban in Afghanistan.

A small but growing share of Americans believe Ukraine should make territorial concessions to Russia as part of a peace deal, new polling shows. In the latest Morning Consult poll — released on Feb. 28 — 27% of respondents said the United States should “push Ukraine to let Russia keep territory it has gained in order to end the war.