Democrats say updated research would help inform public policy.
Harry Reid said Republicans could have brought up a House or Senate bill.
"You can't walk this back," Sen. Elizabeth Warren said.
Jeff Flake said GOP senators would reverse their opposition.
Rep. Virginia Foxx may be the only woman to chair a House panel in the next Congress.
Sen. Johnny Isakson said Clinton is a "known commodity."
The Supreme Court declined to hear a case on Obama's executive actions.
Katie McGinty said Toomey "has been ducking and dodging" Trump questions.
The bill comes amid lingering fallout of a $400 million payment to Iran.
The Texas Republican said the government isn't as effective as it could be.