Sen. Markwayne Mullin, R-Okla., shared a health update regarding his son, Andrew, who has been at the Mayo Clinic in Rochester, Minn., as doctors try to determine the cause of a possible mystery ...

U.S. Sen. Markwayne Mullin seems to be spending a good deal of the Easter recess in hospitals. On Tuesday, Mullin said in a video on social media that he and three other members of his family have ...

Sen. Markwayne Mullin (R-Okla.) has introduced bipartisan legislation aimed at strengthening the cybersecurity of the 988 Suicide and Crisis Lifeline, following recent cyberattacks that ...