Does anyone, honestly, understand Colossians 1:24?  Last night's joint service took the form of an interactive Bible study looking at the first chapter of this letter and one of the avenues of exploration was this problematic verse:

Now I rejoice in what was suffered for you, and I fill up in my flesh what is still lacking in regard to Christ's afflictions, for the sake of his body, which is the church. (NIV)

Undoubtedly scholars spend hours pondering nuances of Greek, preachers offer their own hypotheses or, more likely, just skip over it (which I have to confess would be a strong temptation) but what does it reallly mean?  Does anyone, other the author (another debated topic), actually know what it means?  Answers in plain English on a postcard to the usual address....