In the view of many international analysts, British Prime Minister Tony Blair has been America's staunchest ally in the war against terrorism.

The prime minister will be visiting President Bush's ranch in Crawford, Texas, this weekend for a British-American summit. Prime Minister Blair's support of American policies abroad is being tested at home.

In this edition of Dateline, Neal Lavon takes a closer look at the political career of Tony Blair and his prospects for maintaining "the special relationship."