ODESA, Ukraine — Shot through the jaw and tongue by a sniper’s bullet last year in the last days of the grinding siege at the Azovstal steel plant in Ukraine, Senior Sgt. Maksym Kushnir could not eat or talk, and could barely breathe. But when he hobbled out of a bunker last May with hundreds of other wounded Ukrainian soldiers in a surrender negotiated with Russian forces, there was no medical help or any sign of the Red Cross workers they had been promised. Instead, Kushnir, nine years a soldi