Premise: Sunday Live with Adam Boulton was a weekend news and political show on Sky News and on Sky News HD, presented by Sky News' Political Editor Adam Boulton. From January 2011, the programme was replaced with "Murnaghan", a similar show presented by Dermot Murnaghan. Boulton moved to a new weekday show at 13:00 on Sky News.
Hypothesis: the program that replaced Sunday Live was very successful.