"Indeed, at yesterday's staff interview of former FEMA Director Michael Brown, agency lawyers advised Mr. Brown not to say whether he spoke to the president or the vice president, or comment on the substance of conversations he had with any other high level White House officials, " Lieberman said.

CNN: Lieberman: White House hindering Katrina probe

In the end staff had to interview applicants to check their green credentials, commitment to recycling and dedication to low energy consumption.

BBC: Sheds and compost

The MS Society did not want us to film inside Leuchie House or interview staff, but, as we arrived at the home, we were approached by a number of guests keen to have their say.

BBC: Fight on to save MS respite home Leuchie House