In a sense they did on a few occasions vis a vis some significant veto overrides.
Senator Feinstein Praises Senate’s Vote to Override Bush Veto on Water Resources Development Act (WRDA) (November, 2007) http://feinstein.senate.gov/public/index.cfm/press-releases?ID=216cf99b-bfd0-2fbb-47dc-6eafb37a77b1
Food Conservation and Energy Act of 2008 ...veto overridden by House on May 21, and Senate on May 22.
May 23, 2008 - Senate vote overrides Bush veto of farm bill. With an 82-13 vote http://seattletimes.nwsource.com/html/politics/2004433501_watch23.html
July 15, 2008 - Congress overrides Bush's Medicare veto http://www.reuters.com/article/2008/07/15/us-bush-medicare-idUSN1529466020080715
“In a sense they did on a few occasions vis a vis some significant veto overrides.”
As I understand it, overriding a presidential veto falls within constitutional procedures.
Now, can you provide details a George W. Bush vetoing a spending bill or a bill which providing home loan guarantees to people with low incomes?