Susan Collins did not vote for President Donald Trump’s signature piece of legislation, his so-called Big Beautiful Bill, a massive package of tax breaks for the wealthiest Americans financed by slashing an estimated $1 trillion from Medicaid. “I did the right thing for the people of Maine, and I am proud of my no vote,” Collins told a local outlet after the bill passed in July. But before she voted against it, Collins cast a critical vote to advance the legislation, which is projected to kick at least 10 million people off their health insurance — and she cast that...