Two forces, then, are active in the conflict, where one lone figure is pitted against a phalanx.
He found that harem males in herds had to walk farther per day to nourish themselves than did members of a lone all-male group.
Lone parents can earn up to £15 a week before their income support is reduced.
Lone parents have much smaller proportions of household heads in the labour market than two parent families.
Tentative estimates suggest that the average duration of lone parenthood could be between three and five years.
Families headed by lone parents have fewer children than two parent families, with an average 1.6 dependent children compared with 1.8.
We can treat lone parents as poor people, needing means-tested social assistance of some sort- as we do now.
If the extension of such benefits to new groups of lone parents took shape piecemeal, it might divide the" family lobby" rather than unite them.