Obama leads in a landmark deal with many major Asian countries.

U.S
MANILA, Philippines (AP) — When President Barack Obama gathered his partners in a new trade deal to celebrate finalizing the massive accord, the group posed for a fast photo, shook some hands and got back to work.
Such is the nature of Obama's trade tour through Asia this week. Even as he marks a major milestone on the world stage, Obama is looking at a tough fight over ratification at home. No one is popping champagne corks.
"Execution is critical," Obama told the 11 other Pacific Rim leaders on Wednesday as they met for the first time since completing the Trans-Pacific Partnership. Obama urged the group ratify the deal as quickly as possible.
But more than any other nation, the U.S. is likely to drive the pace.
Trade legislation passed last summer prevents Obama from even formally signing the deal until January. Mandated studies and other procedural