#70YearsAgoToday #BatmanJunior debuted in @dc.com #DetectiveComics #231 when #RobinTheBoyWonder detected that #Batman had this other #juniorCrimeFightingPartner before him #JohnVance who worked w #TheCapedCrusader to takeDown #BirrellBinter & #heReturnsToHelpHimAgain after Binter escapes from prison