Queen Elizabeth waves to crowds, Platinum Jubilee celebrations begin

A beaming Queen Elizabeth waved to cheering crowds massed outside Buckingham Palace today as Britain kicked off four days of pomp, parties, and parades to celebrate her record-breaking 70 years on the British throne.

Tens of thousands of royal supporters waving flags lined the streets of London for a military parade that marked the start of Platinum Jubilee events.

Millions of people across Britain...