The core values of our constitution are at the heart of our nation's progress.

In decision after decision on the bench, Judge [Samuel] Alito has excused abusive actions by the authorities that intrude on the personal privacy and freedoms of average Americans.

As Justice Sandra Day O'Connor stated, even a state of war is not a blank check for a president to do whatever he wants.

I favor access to discrimination on the basis of sexual orientation.

There was no imminent threat. This was made up in Texas, announced in January to the Republican leadership that war was going to take place and was going to be good politically. This whole thing was a fraud.

In an era when America is still too divided by race and by riches, Judge [Samuel] Alito has not written one single opinion on the merits in favor of a person of color alleging race discrimination on the job: in 15 years on the bench, not one.

My colleague Sen. Rick Santorum, Pennsylvania Republican, erroneously suggested that I support the teaching of intelligent design as an alternative to biological evolution. That simply is not true. ... Unlike biological evolution, intelligent design is not a genuine scientific theory and, therefore, has no place in the curriculum of our nation's public school science classes.