Sen. Pat Toomey said the deal "falls short."
Graham says Trump has "poured gasoline" on the party's demographic hurdles.
Reid called Trump a "spoiled, unpatriotic drain on society."
The senators are demanding the administration prove it didn't break the law.
Sanders said he was "disappointed" Obama continues to push the TPP deal.
CNN reported the Justice Department rejected calls from the FBI to open an investigation.
Sen. Chris Murphy ripped Trump for calling his remarks about ISIS "sarcasm."
Sen. Kelly Ayotte wants details on the $400 million payment to Iran.
Reid said Democrats were mulling a procedural tactic on the Supreme Court nominee.