The Medicare Coverage Database (MCD) contains all National Coverage Determinations (NCDs) and Local Coverage Determinations (LCDs), local articles, and proposed NCD decisions.
USS Constitution. Launched in Boston in 1797, the oldest commissioned warship afloat earned her nickname Old Ironsides during the War of 1812 when she fought the British frigate HMS Guerriere. During this historic battle, cannonballs fired at USS Constitution appeared to bounce off, causing one of her crew to remark that her sides were made of iron.
Another way the Constitution's meaning is changed is often referred to as informal amendment.. This phrase is a misnomer, because there is no way to informally amend the Constitution, only the formal way. However, the meaning of the Constitution, or the interpretation, can change over time. There are two main ways that the interpretation of the Constitution changes, and hence its meaning.