On Tuesday, the World Trade Organization ruled in Mexico's favor, allowing it to impose trade sanctions worth $163 million a year against the U.S. The WTO says that's how much money Mexico has lost from the U.S. unfairly penalizing Mexican tuna. (snip)

The Trump administration argues that the WTO ruling didn't take into account updated US laws on "dolphin safe" tuna, and that it overstated the actual financial loss to Mexican tuna producers, who the USTR accused of intentionally chasing and netting dolphins.

The timing, however coincidental, is sensitive. President Trump wants to renegotiate NAFTA, the free trade agreement between the U.S., Mexico and Canada.

Trump's administration took its first steps to crack down on trade with Canada on Monday night when the Commerce Department announced a 20% tariff against Canadian softwood lumber. A war of words between Canadian and American leaders has followed.

San Francisco-based U.S. District Court Judge William Orrick issued a preliminary injunction Tuesday barring federal officials nationwide from carrying out the portion of a Jan. 25 Trump executive order aimed at cutting off grants to local governments that won't provide assistance to federal authorities in locating and detaining undocumented immigrants.