Sen. Markwayne Mullin (R-Okla.) and Sen. Chris Murphy (D-Conn.) discuss the Senate’s passage of President Trump’s tax bill.

NBC's Kristen Welker asked Mullin what should happen to babies born in the U.S. whose parents are deported, given that the ...

Here's what Oklahoma senators had to say after the tight vote was called, as well as what some representatives anticipate.

Republican senator Markwayne Mullin said he believes babies born in the United States to immigrants living in the country ...

During his remarks in a Senate hearing in February, Senator Markwayne Mullin attacked the Biden Administration over their withdrawal from Afghanistan. Mullin stated, "Are you joking me?" ...

During his remarks in a Senate hearing in June, Senator Markwayne Mullin championed President Trump's plan to destroy the Department of Education. Mullin stated, "My colleagues want to complain." ...

During his remarks in a Senate hearing in May, Senator Markwayne Mullin berated the Chief of the Capitol Police, Thomas Manger, over the Office of Equity and Inclusion. Mullin stated, "Sounds A Lot ...

"Why wouldn't you send a child with their parents? Why would you want to separate them? I wouldn't want to be separated from ...

Senator Mullin says U.S.-born children of undocumented immigrants should be deported with parents. The comment follows a ...

Republican senator Markwayne Mullin said he believes babies born in the United States to immigrants living in the country ...

In an exclusive interview with Meet the Press, Sen. Markwayne Mullin (R-Okla.) dismisses the concerns of Elon Musk, who ...

U.S. Sen. Markwayne Mullin has been on Capitol Hill all weekend, working alongside federal lawmakers to pass the "big, ...