By Lauren Welch & Joseph Wilkes Prince Harry could potentially reconcile with his father King Charles in the not-too-distant future – but has a “big job” to do when it comes to his brother, Prince William. Charles’s hopes for a reconciliation with Harry have been revealed as the latter plans his return to the UK. The estranged Duke of Sussex is due to come back to the UK next month for a special ceremony marking the 10th anniversary of the Invictus Games. The event will be held at St Paul’s Cathedral in London on May 8, where the 39 year old Duke of Sussex is expected to deliver a speech. With…