WASHINGTON, July 15 -- Sen. John Thune issued the following press release:

U.S. Senate Majority Leader John Thune (R-S.D.) today spoke at a press conference with Senate Republican leadership:

Thune's remarks below (as delivered):

"It's been a heavy week here in the United States Senate, with the tragic and unexpected passing of Senator Lindsey Graham.

"Lindsey was a great American patriot.

"He was a champion for the Republican Party.

"And for many of us, he was a trusted and loyal friend and adviser.

"And so, we mourn his loss, and we welcome his beloved sister Darline here to the United States Senate.

"She will take up his duties and responsibilities as a senator for the state of South Carolina.

"And I say all this in the context ...