More than just a 'teen idol,' David Cassidy deserves Rock Hall induction

David Cassidy’s legacy extends beyond nostalgia. He opened doors and challenged assumptions about which performers deserve critical respect. Excluding him from the Rock & Roll Hall of Fame ignores an important part of music history and undervalues the impact of artists beloved by young audiences, writes guest columnist Ella Provins, who recently graduated from American University and writes from Washington, D.C.