It is common at the funeral of a former US president to have the eulogy delivered by another president. But at the funeral for George HW Bush, that former president was also his son. George W Bush choked back tears when describing America's 41st president as "the best father a son or daughter could have". Tap the link in our bio 👆 for more about Bush Jr's touching eulogy. bbcnews remembering41 georgehwbush 41