<p>Was she truly mad?or merely a victim of history's most ruthless power struggles?<br><br>Juana of Castile, daughter of the legendary Catholic Monarchs Isabella and Ferdinand, was destined to rule one of the most powerful empires of her time. Instead, she became known to history as "Juana la Loca"?Juana the Mad. But was she really insane, or was her tragic fate orchestrated by those who sought to control the Spanish throne?<br><br>From the glitt...