The defense tried to block the case on the basis of a federal law that shields gun companies from legal action.
The foundation acknowledged it had transferred income or assets to a disqualified person.
A spokesman for President Mauricio Macri has denied the report.
Warren and others are criticizing Trump for a lack of diversity—both gender and racial—in his Cabinet picks.
The families argue that the sale of the military-style rifle used in the 2012 massacre violated Connecticut's law.
Clinton will campaign Monday night in Cincinnati alongside gun-violence survivor Gabrielle Giffords, a former U.S. representative.
A gun-violence victim's family is alleging that retailers knew guns were being sold to a "straw purchaser."
The truth is James Comey didn't have a choice.
With less than two weeks to go until Election Day, the Republican nominee chooses to spend time promoting his brand.
Moderator Chris Wallace began the debate by asking the candidates where they want the Supreme Court to take the country.
Donald Trump blamed Hillary Clinton's "animals" for the incident.
Governor Nathan Deal had refused to give voters more time to register, despite the hurricane's dire effects.