Johnny Cash was a true legend of American music, and his relationship with wife June Carter Cash was a classic love story immortalized in the hit movie Walk the Line. Here are Johnny and June together in a revealing 1990 conversation with NBC's Garrick Utley, never before seen in its entirety. They talk openly about their music, their legacy and Johnny's long struggle with substance abuse. Also included: Johnny Cash in a 1988 Today show interview with Cash fan Jane Pauley.
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