Tony Blair's Secret Letters To George W. Bush On Iraq War Released

It seems the British Parliament has opened an inquiry into the events leading up to the British involvement in the Iraq war. The conclusion is that Tony Blair exaggerated in order to convince the public to support the invasion.

https://www.yahoo.com/gma/tony-blairs-secret-letters-george-w-bush-iraq-162505646--abc-news-topstories.html

So when is Congress going to have an equivalent inquiry? Do the American people even care if there was just cause for an invasion? Why are we so apathetic?