Whiff of change in US medical marijuana policy

The White House won't say it explicitly.

Neither will the Drug Enforcement Administration. Yet there is a whiff in the air that U.S. policy is about to change when it comes to medical marijuana.

Link source:
http://www.boston.com/news/nation/washington/articles/2009/02/07/whiff_of_change_in_us_medical_marijuana_policy/