Arsène Wenger is respectful about but unworried by FC Barcelona's strength after the 2006 finalists were paired in the last eight, leaving Gerard Piqué praising the Gunners' style and ability.The UEFA Champions League quarter-final between FC Barcelona and Arsenal FC not only rematches the participants in the memorable 2006 decider in Paris, it also brings together two teams who produced stunning displays in the first knockout round.Holders Barcelona underlined their intent to become the first team to win the UEFA Champions League two years running...