As she faces a tough midterm race, the five-term GOP senator is touting her successful lobbying effort against certain tariffs on Canada
Source: [MarketWatch](https://www.marketwatch.com/story/some-republicans-are-opposing-trump-on-tariffs-maines-susan-collins-just-got-him-to-back-down-on-canadian-levies-02b202ae?mod=mw_rss_topstories)