NE
You're wrong on every count. Take notice of the VO each time a programme opens and also the order in which the presenters are credited at the end of bulletin. Mary and Alastair alternate, as do Julie and Mark.
Just to go back to who's doing which weekday bulletins - Alastair remains the lead presenter with Mary on ITV News at 6.30pm and continues to present the majority of all 6.30pm programmes, while Mark is the lead presenter with Julie for News at Ten. Alastair is also lead presenter on the 1.30pm. I'm from the ITN press office and thought it would be useful to clear this up as there was suggestion we'd put out a press release about it...
You're wrong on every count. Take notice of the VO each time a programme opens and also the order in which the presenters are credited at the end of bulletin. Mary and Alastair alternate, as do Julie and Mark.