President Obama and his wife Michelle will not be invited to Prince William's wedding next year. Because Prince William is not yet heir to the throne, his wedding to Kate Middleton is not classed as a ‘state occasion’ – and the couple feel under no pressure to fill the 2,000-strong guest list with heads of state, the Mail understands. They are more eager to ask ordinary citizens and charity workers than foreign dignitaries and VIPs to what will be the first royal ‘people’s wedding’, courtiers suggested. A handful of heads of state are likely to be invited in line with...