President Mahmoud Abbas and Prime Minister Salam Fayyad are at loggerheads over how to form a Palestinian state.
Money laundering had now become a political issue, and Mexican and U.S. officials remained at loggerheads.
In the next two years, the Republicans and Democrats will often be at loggerheads, mired in the gridlock of divided government.
1580s, "stupid person, blockhead," perhaps from dialectal logger "heavy block of wood" + head (n.). Later it meant "a thick-headed iron tool" (1680s), a type of cannon shot, a type of turtle (1650s). Loggerheads "fighting, fisticuffs" is from 1670s, but the exact notion is uncertain, perhaps it suggests the heavy tools used as weapons. The phrase at loggerheads "in disagreement" is first recorded 1670s.