The legislation would require the Obama administration to crackdown on the isolated country.
“I cannot support the TPP in its current form," Republican Sen. Rob Portman said.
The Senate will take up the legislation next week.
The email came in 2011, while John Kerry was still in the Senate.
Several measures that have bipartisan support but are divisive in his conference.
Defense Secretary Ash Carter indicated this week that withdrawal plans could change.
GOP senators who predicted Trump would fade now admit he has a shot to win.
A Senate report says the department failed to do proper background checks.
Much of the dispute centers on leaked information to Sen. Chuck Grassley about Huma Abedin.
Republicans are demanding information and considering further steps.
Sen. Ron Johnson wants to see the administration's legal justification.
As Republicans huddled to plan their 2016, Trump was an inescapable topic.
McConnell said the Senate’s time would be better spent on other things.
Reformers hope to modify the rule with a two-thirds vote of the chamber.
The Senate issued a resolution confirming that McCain was eligible for the White House.
Sen. John Hoeven said the end of the ban would help the country become “energy secure.”
“We’re not going to follow that suggestion that this particular candidate made."
"I’m proud of what the new Republican majority has accomplished in such a short time."