BostonGlobe.com Political Headlines - December 3, 2012

• The world does not revolve around Benghazi: While politicians in Washington have focused on Benghazi and its aftermath, global affairs have carried on, including events in the Arctic. Globe columnist Juliette Kayyem reports.

• Cahill walks the walk: Tim Cahill backed up his public claims of innocence with testimony - under oath - at his public corruption trial. Boston.com political editor Glen Johnson details.