GOP leaders are proposing changes to the bill the day after overriding Obama's veto.
“If policymakers proceed to adopt the TPP they should be committed to an insane asylum.”
"I do think it's worth further discussions," the Senate leader said.
Reid added that Republicans have empowered Donald Trump.
Michigan's Democrats made a point about the lack of Flint funding in a short-term bill.
The House and Senate wrapped up a short-term spending bill Wednesday night.
The bill would delay the rule for six months.
The House on Wednesday approved a bill to fund the federal government through December 9.
The bill heads to President Obama's desk.
Grassley accused the Senate Democratic leader of holding up GOP legislation.