Trump moves to rename Lake Ontario to "Lake America"

President Trump signed an executive order renaming Lake Ontario to "Lake America" on Thursday. Why it matters: The president is following through on his threat over the lake after U.S.-Canada trade negotiations collapsed. The collapse triggered 50% tariffs on roughly $20 billion of Canadian goods, with Canada announcing matching tariffs set to take effect Sept. 8. Catch up quick: Trump has repeatedly posted on social media in recent days about renaming the lake, once writing that America…