One Nigerian bishop is going to Lambeth, according to this report by Ruth Gledhill.
To which this 'down under' blog says, 'good on ya, mate'.
And to other bishops not going, 'its not too late'
If you want to make a protest, do it Bishop Geoffrey Rowell's way (i.e. go but when a certain PB of TEC is leading communion, absent yourself).
Hat-tips to Thinking Anglican