"While the largest share of claims is still coming from Vietnam War veterans, there are expected to be many more claims in future from personnel who served in the first Gulf War and in the current conflicts in Iraq and Afghanistan, the panel said." - VA urged to improve treatment of PTSD - Military- msnbc.com
While the government is asking for the VA to improve treatment methods, it is not claiming veterans of the current conflict are being unduly denied. It even go on to show that Vietnam veterans are currently the lions share of cases.
Back in the Clinton years the active military was being scaled down and the reserves and National Guard were to be used as 50% of our combat forces in time of war. In fact it started as soon as Bill Clinton took office.