1.   Buckner let the feud simmer for weeks, and it infected the team.

2.   But as with many families, feuds can simmer and threaten to ruin that nice little gathering.

3.   Warlords in the provinces have voiced loyalty to Kabul, but old feuds simmer among many and skirmishes have been reported.

4.   Warlords in the provinces have voiced loyalty to Kabul, but old feuds simmer.