Forty years after Roe v. Wade --€” and nearly 50 years after the start of efforts toward legalizing abortion €-- the debate still carries on, with younger generations ready to take up the cause for both sides. Mark Wilson/Getty Images hide caption

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Supreme Court Justice Clarence Thomas. Jim Lo Scalzo /EPA /Landov hide caption

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Judge Robert Bork in September 1987, at the Senate hearing on his nomination to the Supreme Court. Charles Tasnadi/AP hide caption

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In June, former Massachusetts Gov. Mitt Romney was making the case for the repeal of the administration's health law. With his defeat, the law is looking secure. Charles Dharapak/AP hide caption

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When the U.S. Supreme Court made a Medicaid expansion optional under the Affordable Care Act, the decision lowered the estimated cost of the law. Chip Somodevilla/Getty Images hide caption

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The U.S. Supreme Court, 70 years after rejecting Roscoe Filburn's bid to limit the federal government's power to regulate commerce. Chip Somodevilla/Getty Images hide caption

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