The Prince of Wales has opened up on feeling guilty about the homelessness crisis in Britain in a new documentary. The heir to the throne also mentioned his brother Prince Harry during the documentary in what appeared to be an olive branch amid their feud. Prince William revealed his commitment to tackling homelessness, inspired by childhood visits to shelters with his mother, Princess Diana. In a new ITV documentary, Prince William: We Can End Homelessness, the heir to the throne offered a rare glimpse into his efforts to address this pressing issue. The two-part series showcases the first ye…