By Jasmine Allday Coronation Street will air sad scenes next week as Paul Foreman continues to deteriorate. Paul – who is played by Peter Ash – has been diagnosed with Motor Neurone Disease and last year, he spent what he believes will be his final Christmas with his family, prompting speculation he will depart the Cobbles this year. Next week on the ITV soap, Paul is struggling with his voice. As he tries to speak, he slurs his words and when his new personal assistant arrives, she is clearly out of her depth with him and is struggling to understand him. Billy tries to play it down in front o…