As I have noted many times, there are those who would say it is not: notably Martin Wolf, Larry Summers and the economist I featured in my report, Bill Martin.

BBC: Bad news for Labour in OBR

And therein may lie part of the explanation for why Larry Lawson is leaving Lockheed Martin.

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His father had left the family home when Larry was only five, and his mother, actress Mary Martin, was often away touring.

BBC: Obituary: Larry Hagman