AMID growing political tension between the west and Russia, CSKA Moscow will travel to London to face Arsenal in the last eight of the UEFA Europa League. (April 5). It’s not quite a cold war climate, but the tie does act as a prelude to the forthcoming World Cup, with Russian and English fans coming up against each other as the politicians continue to posture and threaten each other. CSKA Moscow are no strangers to politics, though, for they were the Soviet Army’s club in the days when Britain viewed anything coming out from behind the Iron Curtain with great suspicion. Football can certainly help diffuse tension, but the continued talk about boycotting World Cup 2018 also demonstrates the game can also be used…