On Wed, 20 Jul 2011 06:42:12 -0400, Harryk
wrote:

There should be a limit on how many times a corporate executive is
allowed to say "I have no knowledge of that."

Once the limit is exceeded, they should be sent directly to jail.

Ronny Raygun used the same, dottering-old-fool tactic when he
testified. It's standard practice for scumbags over 80.