Cotton called on the foundation to stop accepting foreign and corporate donations.
But the New Hampshire senator said Trump "clearly says what he thinks."
Sen. Roy Blunt wants financial records of the military sales fund.
The Democratic leader launched a petition calling on Trump to take a U.S. citizenship exam.
Sen. Mark Kirk said Obama is "acting like the drug dealer in chief."
The two GOP senators supported a 2013 gun-control proposal.
Dianne Feinstein said the Olympic swimmer should "make your amends and put it aside."
Julian Hattem 08/18/16 09:16 AM EDT
The Senate Judiciary Committee chairman wants his staffers to access the unclassified files.
Sen. Pat Toomey said the deal "falls short."
Graham says Trump has "poured gasoline" on the party's demographic hurdles.