High-priority alert based on source significance and keyword relevance.
Context
What happened: Republican Senator Susan Collins distanced herself from Donald Trump in a Maine debate with Democratic challenger Troy Jackson, saying she is not Trump's favorite senator and citing her differences with her party.
Key numbers: Collins said she voted with Joe Biden over 90% of the time as president; Jackson said she voted with
Why it matters: Jackson tied Collins to her 2018 vote for Brett Kavanaugh and the overturning of Roe v Wade, while Collins stressed differences on rural healthcare and tariffs on Canada in a race seen as vital to Democratic hopes of winning the Senate.