Prince William and Prince Harry were once as close as two brothers can be. But now they are sadly all but estranged following Harry's exit from the royal family and subsequent public attacks on the monarchy. So royal fans were surprised to hear William speak about his youngest sibling as he revisited one of the most impactful moments of his childhood in a powerful documentary . In the show, titled Prince William : We Can End Homelessness, William reflected on how his mother Princess Diana first