Some observers question whether and to what degree Landmark Education courses benefit participants.

An observers questioned how effective the new judges would be, given the shortages that plague many other levels of the courts.

Other scientific observers question the value of science in which anecdote replaces controlled testing.

Many political observers and analysts have questioned Clark's rationale for the decision.

But many observers questioned whether her show will get off the ground.

But in a market interlaced with many types of agreements between health care providers, some observers question whether more is really better.

Some observers questioned whether the case against Flamingo was the start of a serious anticorruption drive.

As a result, some political observers question the party's ability to further continue in its present shape.

Some observers questioned the veracity of the record, however.

But some observers question whether the group is prepared for the turmoil that could develop.