"That is the function of antitrust laws," he added. "I ask you to enforce them and block the merger."
Next year's U.S. Women's Open is slated to take place at a Trump-owned course in New Jersey.
The move would allow Supreme Court nominees to be approved by a simple majority.
"It's better to write your plan in pencil," the freshman GOP senator says.
Rob Portman says the Senate "should look at justices on the merits."
Cruz declined to comment on Trump's claim that the elections are "rigged."
She tells Trump the election isn't "rigged" in a Twitter rant.
Warren said Trump's argument "didn't spring from nowhere."
"If that new president happens to be Hillary we can't just simply stonewall," Sen. Grassley said.
Sen. Charles Schumer (D-N.Y.) stopped short of calling Donald Trump a racist in an interview Tuesday, but said the Republican nominee is using bigotry to help his campaign.
"He is totally tone-deaf to what is racism,...