House Speaker Nancy Pelosi discusses the USMCA trade agreement at a news conference on Capitol Hill in Washington, Dec. 10, 2019 (AP photo by Andrew Harnik).

The day after the U.S. House of Representatives voted largely along party lines to impeach President Donald Trump last month, it voted overwhelmingly to approve his top trade priority: the U.S.-Mexico-Canada Agreement, or USMCA. The new trade deal will replace the North American Free Trade Agreement, in effect since 1994 and reviled in equal measure by Trump and many Democrats. Both Trump and Speaker of the House Nancy Pelosi hailed the amended agreement—approved by 385 members of the House, with just 41 opposed—as a victory, and claimed credit for getting it done. Yet while there is much in the USMCA […]