Just four months before the November election, Barack Obama is an unknown quantity to millions of voters. Does he share the values of most Americans? What about campaign finance and wiretaps without warrants? Does he represent a new kind of politics or more of the same? Also the Supreme Court issues several key rulings as its term winds down, and accomplishing an "impossible dream" will require trade-offs in Florida's Everglades.
Photo: Jeff Haynes/Getty Images