Now, however, diplomats and Chinese officials doubt that Mr. Nixon will be able to resolve that problem.

Some diplomats doubt that the Russians will push their resolution to a vote, because they would probably be supported by only China.

Few diplomats doubt that when the conference opens here on Oct. 30, it will appear at first blush to be a breakthrough to a dead end.

Although the three main warring parties have now endorsed the broad outlines of a settlement, diplomats doubt that will bear immediate fruit.

After all its sacrifices, diplomats and other experts doubt whether the Soviet Union has left the Kabul Government with the ability to survive for long without Soviet help.

Western diplomats doubt that Russia will give up trying to influence and profit from development of oil fields in the former Soviet republics to its south.

A Hungarian diplomat said cost is the main issue, but doubted the embassy would be closed.

But Western diplomats doubt these figures.

Few Western diplomats doubt there is support for change in Belgrade: polls suggest the Socialists are backed by only 20 percent of the voters.

Many European diplomats doubt that Britain's new style will lead to new policies.