Story Highlights Nicklas Bendnter powered Arsenal to Champions League semis with hat trick Four-time champ Bayern Munich dispatched Fiorentina on aggregate goals Arsenal trailed 2-1 on aggregate goals entering match against FC Porto PRINT EMAIL ARTICLEURL FACEBOOK DIGG TWITTER RSS SHARE LONDON (AP) — Arsenal striker Nicklas Bendtner atoned for a poor performance over the weekend by scoring a hat trick in a 5-0 win over FC Porto for the Gunners to advance to the quarterfinals of the Champions League on Tuesday. Arsenal overturned a 2-1 deficit from the first leg last month to advance 6-2 on aggregate. Porto has now lost its last seven matches in London and this was the Portuguese side’s…