There's a new Coronation Street theory doing the rounds, with fans predicting a huge pregnancy twist will rock the cobbles. Cassie Plummer was recently at the centre of a theory surrounding a divisive storyline with Ken Barlow, amid her shockingly drugging him this week. With her facing trouble in the fallout, a scene with Steve McDonald this week left fans convinced Cassie would soon find out she was pregnant. Fans had initially believed Cassie would end up with Ken, most likely using him with