SEATTLE--(BUSINESS WIRE)--(NASDAQ:AMZN)—Amazon today announced that Prime members can now enjoy six months of free unlimited access to The Washington Post National Digital Edition, a subscription usually retailing for $9.99 per month. After the first six months of access to world-class national and international news, Prime members can continue to enjoy unlimited digital access with a discounted monthly subscription rate of only $3.99, a savings of 60% per month. “Offering free access to new su