Law » Courts » Evidence » The nature of proof » Proof as temporal process » Proof at trial has a temporal dimension » Proof procedure at trial » Objections » Necessity of objection » Objection necessary to preserve error » Objection unnecessary when there is plain error, an advance ruling, or, possibly, a previous ruling on similar evidence » Plain error » Plain error rule mainly for the benefit of criminal defendants » Plain error rule very occasionally applicable in civil actions: On rare occasions the...