Misc: What is the pope's pontificial ring?

Questions

slapstick cop show, also a song by peter gabriel?

the classic "road show." revived in 1993 w/ dan cortese (earth, solo ...).?

bo and luke duke's car went by this name.?

give the squad number of roy desoto and johnny gage in "emergency!"?

michael knight's car was named k.i.t.t., which stood for:?