Greg Stohr

Overturning the landmark 1973 Roe v. Wade abortion rights ruling could be just the beginning.

In the next two weeks, John Roberts will sit in his high-backed chair in the Supreme Court's marble courtroom and tell a hushed crowd that the justices are about to rule on health care. It will be the most dramatic moment in Roberts' seven years as chief justice, and one of the biggest for Barack Obama as president.