Toomey then attempted to unseat entrenched [[Republican]] [[Arlen Specter]] from his Senate seat in the Republican primary. Despite being outspent by Specter, who as a [[liberal]] also received newspaper endorsements, and despite being opposed by President [[George W. Bush]] and [[conservative]] Republican Senator [[Rick Santorum]], who campaigned hard for the [[liberal]] Specter, Toomey shocked observers by coming within 2% of defeating Specter. | Toomey then attempted to unseat entrenched [[Republican]] [[Arlen Specter]] from his Senate seat in the Republican primary. Despite being outspent by Specter, who as a [[liberal]] also received newspaper endorsements, and despite being opposed by President [[George W. Bush]] and [[conservative]] Republican Senator [[Rick Santorum]], who campaigned hard for the [[liberal]] Specter, Toomey shocked observers by coming within 2% of defeating Specter. |