Fed governor Waller has made comments that affect the outlook on a possible rate hike. His statements have introduced uncertainty about the decision that is expected later this month.

The comments made by Waller have impacted the clarity of the situation, making it less clear what the outcome will be. For more information on the possible rate hike and Waller's comments, further details are available from the source.

The source, PBS, provides additional context and information about the situation and Waller's statements. Those looking for a more in-depth understanding can refer to the source for more details.