When Rosie O'Donnell famously feuded with Donald Trump during her year spent as moderator on ABC's The View, ratings soared.

As ratings for her new The Rosie Show on The Oprah Winfrey Network [OWN] struggle, O'Donnell has reignited the feud with Trump - who is fighting back - and also taken on David Letterman for making what she called a 'dyke' joke.