RBG's personal trainer honors her with three push-ups in front of her casket

The death of Supreme Court Justice Ruth Bader Ginsburg has left many Americans mourning. The "Notorious R.B.G.," as the internet lovingly referred to her, was known for many things, one of them being her exercise routine. 

Even as an octogenarian, Ginsburg kept up her routine with the help of personal trainer Bryant Johnson....