There are more than 1,000 military veterans in New Jersey that suffer from Post-Traumatic Stress Disorder or Traumatic Brain Injury — the signature wounds of the wars in Iraq and Afghanistan – but they are denied medical benefits from the Department of Veterans Affairs and are classic cases of minor offenses leading to tragic consequences. They are people like Tim Shea, a Marine corporal from Jersey who served one tour in Iraq and then made a mistake: He smoked marijuana while visiting friends in North Carolina and then failed a urinalysis. After 15 days in the brig, the Corps gave him two ch…