1.   Nonetheless, it seemed to typify an enmity against foreigners that simmers just below the surface in towns across the country.

2.   Still, disputes are simmering just below the surface.

3.   Tensions already simmered below the surface.

4.   The emotions which so often and so obviously have simmered below the surface after inexplicably shabby performances have yet to fully erupt for public consumption.

5.   The preference, in political terms, simmered below the opaque surface of the apparatchik.

6.   Threatening to undermine those efforts, however, are potentially inflammatory tensions simmering below the surface.

7.   Fox hunting polarizes Britain, laying bare the divide between town and country and reawakening class antagonism that simmers below the surface of British society.

8.   Violence is simmering below the surface.