Despite lawmaker resistance from both parties, the Trump administration insists that Congress provide billions for a southern border wall.
Amid the emotional hubbub over the predictable confirmation of Brett Kavanaugh, there has been a largely overlooked casualty: the American judiciary.
The fund had already surpassed its $2 million goal.
The president has labeled demonstrators "rude elevator screamers" and "paid professionals only looking to make senators look bad."
The announcements by Sens. Susan Collins and Joe Manchin are expected to deal a fatal blow to the opposition, but Democrats are still pressing the fight.
The Senate Judiciary Committee votes Friday; GOP leaders lay plans that may keep the Senate in session over the weekend, with a final roll call soon after.
The Supreme Court nominee can expect to spend most of the day sparring with Democratic senators over abortion, guns, executive power and other high-profile issues.
Top contenders to replace retiring Justice Anthony Kennedy include federal appeals Judges Raymond Kethledge, Amul Thapar, Brett Kavanaugh and Amy Coney Barrett.
The Republican senator, a key vote on President Donald Trump's pick for the Supreme Court, says she would oppose any nominee she believed would overturn Roe v. Wade.