After 18 years of Mitch McConnell, Senate Republicans officially have a new top dog: South Dakota Senator John Thune will step ... White House, and Supreme Court. Here are five things to know ...

Senate Majority Leader John Thune (R-SD ... by the Democratic-led Senate. The Supreme Court decision, which returned restrictions on abortion to the states, was credited with Republicans ...

John Thune is married to Kimberley Weems Thune, who hails from South Dakota. The power couple reportedly met at Biola University in La Mirada and tied the knot in 1984.

Senate Majority Leader John Thune Riding High ... Agency to annihilate the right of states to regulate power generation. It is unprecedented for the Supreme Court to stop a regulatory regime ...