By DANICA KIRKA and JILL LAWLESS, Linked Push LONDON (AP) — Queen Elizabeth II stepped gingerly onto the Buckingham Palace balcony Thursday, drawing wild cheers from the tens of thousands who came to sign up for her at the start out of 4 days of celebrations of her 70 decades on the throne. Her enthusiasts sported Union Jack flags, bash hats or plastic tiaras. Some had camped right away in hopes of glimpsing the 96-yr-previous queen, whose appearances are starting to be uncommon, and a possibility to enjoy the Trooping the Coloration — a navy parade that has marked each sovereign’s formal birthday due to the fact 1760. It was…