Win, lose, stalemate or a shock: how might the Ukraine war end?

Ukraine's war reaches the one-year mark with no immediate end in sight. Both sides want to carry on fighting, and any negotiated peace looks a long way off. So how might the war end? Here are five scenarios to consider. Russian offensive succeeds Russia achieves a breakthrough in the east either very soon, before Ukraine gets its western weaponry in place in a few weeks, or after a Ukrainian counteroffensive fails. The invaders' key advantage is the number of troops available - about 300,000, almost all of whom are already committed to Ukraine. Some Ukrainian experts fear a pincer movement…