AAP leader Yogendra Yadav on Friday said he along with fellow leader Prashant Bhushan were fighting to "save the soul of the struggle" that gave birth to the Aam Aadmi Party.Addressing the media here, Yadav said: "It (AAP) is not an ordinary party, it was born out of a revolution to clean the system, end corruption and give power to the common people. People have high hopes from this party.""But the developments in the last one month have disappointed many. We are fighting to save the soul of the struggle that gave birth to this party."