Arsenal suffered the deep disappointment of a Champions League semi-final exit last season, and ahead of a new campaign manager Mikel Arteta wants to use the lessons learned to change the club's history in the competition. Arteta's side lost to eventual winners Paris St Germain, ending their hopes of winning European club football's biggest prize for the first time. "You take a lot of learnings from it," Arteta told reporters on Monday ahead of their away game at Athletic Bilbao on Tuesday. "It's painful also because of the expectation that we created and the real conviction that we had within the club, the team, that we could go all the way. "We showed a very high level of consistency and...