It was a picture that sent shockwaves around the United States when it was first splashed across the front page of newspapers from coast to coast on the morning of April 28, 1964. Before Watergate, there was Beaglegate - the time that President Johnson picked up his 10 month old beagle pups by the ears to "hear them yelp".

But was this an act of animal cruelty? Or simply a proud doggy dad showing off? Using unearthed presidential documents, never before seen photos and - of course - plenty of LBJ phone calls - This is the President is here to dive into the real story on the day that LBJ picked up his dog by the ears.