Gordon Brown flies to Israel for "vital" meetings with Israeli and Palestinian politicians. As soon as he lands he gets on the phone to cancel the meetings, and flies back to the UK after barely two hours on the ground to help the the Prime Minister fight for a bill that would allow the police to hold terrorist suspects for 90 days without charge.
Explanation 1. GB genuinely believes that it is a good idea to hold people for 90 days without charge. Habeas corpus, schmabeas corpus.
Explanation 2. GB maneouvering to be cast as "saviour" of Labour party in time of crisis
Explanation 3. ?