How did Richard Nixon get the nickname Slick Rick?

Richard Nixon earned the nickname "Slick Rick" due to his reputation for being cunning and politically savvy, often employing controversial tactics in his campaigns. Critics used the moniker to suggest he was manipulative and untrustworthy in his dealings, particularly during the intense political battles of the 1960s and 1970s. The nickname reflected perceptions of his ability to navigate complex political situations with a certain charisma and craftiness, despite his often serious demeanor.