True, the present scheme leaves the Palestinian suburbs of Abu Dis and Azariya outside the municipal boundary.

ECONOMIST: Tampering with Jerusalem

The municipal boundary has, in effect, been invisible.

ECONOMIST: Israel's security barrier

The commission picks the most compact solution, according to some simple criterion. (Say, add up the miles of boundary lines, giving any segments that track municipal borders a 50% discount, and go for the shortest total.) The mathematical challenge might inspire some gifted amateurs to weigh in.

FORBES: DIY Democracy