VIDEO : It Wasn't Jail That Broke Up Tupac And Madonna--It Was This

A letter from Tupac Shakur seems to offer rare insight into one of the late rapper's relationships.
Shakur wrote to Madonna while he was serving time in prison in 1995.
According to CNN, he acknowledges ending their love affair because she was white.
Tupac was shot down in the streets of Las Vegas at the young age of 25.