I think that I can reassure the hon. Gentleman that the Home Secretary is indeed busy and has plenty to do. A cursory glance at the media on any particular day will reassure the hon. Gentleman of that. As he says, the line of reporting ultimately ends at the Secretary of State, so it is only right that the Secretary of State should have the same requirement.
In terms of reasonableness, there is little point in creating further legislation within the Bill when the Human Rights Act 1998, convention rights and the legal requirement on public authorities to exercise powers in a reasonable way already exists.