The provided text is a headline stating that a comment made by Markwayne Mullin is causing him problems. No further details or context are available in the provided information.
This headline indicates a past comment by Markwayne Mullin is causing him trouble, but lacks specific details for a summary.
The significance of this event cannot be determined without further information regarding the nature of the comment and its repercussions.
The provided text is a headline stating that a comment made by Markwayne Mullin is causing him problems. No further details or context are available in the provided information.