Sen. Markwayne Mullin (R-Okla.) is heeding White House advice and taking a long-term view to help explain the sweeping tariffs President Donald Trump unleashed on allies and foes alike last week. But ...

Sen. Markwayne Mullin (R., Okla.) alluded to his own personal struggles and credited his wife with keeping him out of trouble. “We've all made mistakes. I've made mistakes,” he said.

GOP senators Ted Cruz, John Kennedy, Tom Cotton, Lindsey Graham, Markwayne Mullin, Katie Britt and Tim Scott discuss top priorities under the Trump administration in a 'Hannity' town hall.

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 ...

Sen. Markwayne Mullin also "joked" about settling political disagreements with caning ALLISON ROBBERT/AFP via Getty A Republican senator suggested violence against journalists could deter "fake news." ...

GOP senators Ted Cruz, John Kennedy, Tom Cotton, Lindsey Graham, Markwayne Mullin, Katie Britt and Tim Scott discuss top priorities under the Trump administration in a 'Hannity' town hall.

Markwayne Mullin (R-Okla ... Some in the GOP, including Trump allies Sens. Ted Cruz (R-Texas) and Rand Paul (R-Ky.) have also expressed discomfort and even opposition to Trump's tariffs.