The man's shouts were mostly inaudible.
"Obama ... three-thousand babies died ... abortion! abortion!" the man said. His shouts eventually changed to cries that "abortion is sin."
McCain's speech was on administration leaks related to Iran and made no mention of abortion rights.
The man was quickly removed from the gallery and Sen. Saxby ChamblissSaxby ChamblissGOP hopefuls crowd Georgia special race Democrats go for broke in race for Tom Price's seat Spicer: Trump will 'help the team' if needed in Georgia special election MORE (R-Ga.) began his floor speech.