AP - Cheered by an enormous international crowd, Democratic presidential contender Barack Obama on Thursday summoned Europeans and Americans together to "defeat terror and dry up the well of extremism that supports it" as surely as they conquered communism a generation ago.

AP - Cheered by an enormous international crowd, Democratic presidential contender Barack Obama on Thursday summoned Europeans and Americans together to "defeat terror and dry up the well of extremism that supports it" as surely as they conquered communism a generation ago.