WWCR for a while was selling time to a guy who claimed to have invented a perpetual-motion machine.
He was looking for investors so he could perfect it and free Americans from their dependence on oil.
I just did a quick check this evening for the 'Libery' net too - they are on 3947.5 KHz LSB tonight (2.5 KHz below the usual 3950 KHz spot) due to other traffic present on 3950 ...