After 3.Bc4, a much stronger move for Black than 3...Be7 is 3...Nxe4, and after 4.Nxe4 d5 5.Bxd5 Qxd5 Black has:
1.Taken the initiative (the attack-a dynamic aspect of the position) from White
2.The Bishop Pair weapon (a dynamic aspect and static aspect of the position)
3.Has the more aggresively placed central pawn at e5 ( a static aspect of the position)
This is my nice ending game : http://www.chess.com/echess/game?id=62267648