Prince William will have to be the main face of the monarch while King Charles receives treatment for cancer, as Harry is no longer a working royal, a journalist has said. On Monday (February 5) King Charles announced he had been diagnosed with a form of cancer. He didn’t disclose the type he was suffering from, but said he would be stepping back from big public duties. This leaves some of the senior members of The Firm, including Prince William, Edward, and Princess Anne, to “hold up” the fort while he’s away. Charlotte Griffiths, an editor at Mail on Sunday, said she thinks getting Prince Ha…