“There was no BUDGET deficit in 2001. You are wrong and dense.”
Outlays exceeded income. So, yes... there was.
In 2001, Treasure reported receipts of about $2 trillion, but that includes an “off-budget” line-item for social security to the amount of $507 billion. This on-budget, off-budget treatment began under LBJ.
http://www.socialsecurity.gov/history/BudgetTreatment.html