Coincidences: 1) US mint and other mints stop or cut back precious metals coin production 2) Kitko simultaneously stops including LIBOR on its gold lease rates page 3) US$ continues strengthening above 80 4) world retail gold demand far exceeds ’supply’ 5) price of paper gold going down 6) IMF sales rumors re-ignite.  All events within 90 day time period.

The strong dollar policy has never been publicly defined by any US official in the past 10 years.  But the policy has been deemed necessary and is directly tied to international finance via SDR’s, of which the US$ is a key component and the US has a major vote in how and when SDR’s are redistributed.  See

http://www.imf.org/external/np/exr/facts/sdr.htm and also Wikipedia