1.   Over the intervening years, this rump group has grown more fervent.

2.   Over the years, this rump group has grown more fervent.

3.   The rump group then held its own convention across the street and nominated John Hagelin, a physicist from Iowa.

4.   The creation of his party could mark a schism among the hard-liners, or simply be a bid to make the rump group more palatable to ordinary Cambodians.