So you are OK with the Senate using the "nuclear option" on trade? Really?
From Wiki
The nuclear or constitutional option is a parliamentary procedure that allows the U.S. Senate to override a rule or precedent by majority vote. The presiding officer of the United States Senate rules that the validity of a Senate rule or precedent is a constitutional question. They immediately put the issue to the full Senate, which decides by majority vote. The procedure thus allows the Senate to decide any issue by majority vote, even though the rules of the Senate specify that ending a filibuster requires the consent of 60 senators (out of 100) for legislation, 67 for amending a Senate rule. The name is an analogy to nuclear weapons being the most extreme option in warfare.
If 51 people in the Senate OR a simple majority in the House are wha can kill a bill, then, yes, I am fine with the Senate expecting a simple majority, because for any other bill, they only need a simple majority. as well.