How many years after CBS began making regular news broadcasts did they break the breaking news embargo and report in the Lindbergh kidnapping using live reporting?
return CBS began making regular news  broadcasts ;return CBS did break the  breaking news  embargo and  report in  the Lindbergh kidnapping using live reporting ;return year of #1 ;return year of #2 ;return difference of #4 and  #3
['select', 'select', 'project', 'project', 'arithmetic']