graeme_p - 7:50 am on Apr 22, 2010 (gmt 0)
The Prime Minister is just the First Minister in a Cabinet of Ministers.
That is how it ought to be, but the system has been twisted over the years.
The prime minister appoints and sacks the others so has always had a hold on the others. Now there are more political appointees in government jobs, replacing career civil servants, the powers of ministers have been increased (to the point where, for example, the executive can deprive people of citizenship or various rights) at the expense of the power of the judiciary and extensive use of delegated legislation have all increased the power of the cabinet (and therefore the PM).