Last Thursday, Rep. Joe Barton, R-Texas, dropped a bomb of a comment that we’re sure he wishes he could take back. What he said wasn’t a major event; rather, it was a single comment during a day-long hearing as the House grilled BP oil chief Tony Haywood over his role in the environmental disaster. His comments were among dozens — most of which took the side of those Americans whose lives had been upended by the obscene about of oil gushing from the bottom of the Gulf each day.