In a letter to Veterans Affairs Secretary Robert McDonald released Wednesday, a bipartisan group of U.S. Senate and House members urged the Department of Veterans Affairs to allow VA doctors to write medical marijuana recommendations to veterans in accordance with state laws. The letter comes four days before the expiration of a directive that prohibits VA doctors from recommending medical marijuana, even in states that have made it legal. [caption id="attachment_9515" align="alignright" width="190"]…