Arlen J. Specter was a United States Senator from Pennsylvania. Specter was a Democrat from 1951 to 1965, then a Republican from 1965 until 2009, when he switched back to the Democratic Party. First elected in 1980, he represented his state for 30 years in the Senate. Specter ... Explore this topic

The Republican Party, also commonly called the GOP, is one of the two major contemporary political parties in the United States, the other being the Democratic Party. Founded by anti-slavery activists in 1854, it dominated politics nationally for most of the period from 1860 t... Explore this topic

The Democratic Party is one of the two major contemporary political parties in the United States along with the Republican Party. Since the 1930s, the party has promoted a socially liberal and progressive platform, and its Congressional caucus is composed of progressives, libe... Explore this topic

Pennsylvania, officially the Commonwealth of Pennsylvania, is a US state that is located in the Northeastern and Mid-Atlantic regions of the United States, and the Great Lakes region. The state borders Delaware to the southeast, Maryland to the south, West Virginia to the sout... Explore this topic

The United States is a federal constitutional republic, in which the President of the United States, Congress, and judiciary share powers reserved to the national government, and the federal government shares sovereignty with the state governments. The executive branch is head... Explore this topic

Сена́т США — одна з двох палат Конгресу США, так звана верхня палата. Explore this topic

The Supreme Court of the United States is the highest court in the United States. It has ultimate appellate jurisdiction over all federal courts and over state court cases involving issues of federal law, and original jurisdiction over a small range of cases. The Court, which ... Explore this topic

The United States of America, commonly called the United States, or America, is a federal republic consisting of fifty states and a federal district. The country is situated mostly in central North America, where its forty-eight contiguous states and Washington, D.C., the capi... Explore this topic

Malignant Neoplasm is a tumor composed of atypical neoplastic, often pleomorphic cells that invade other tissues. Malignant neoplasms often metastasize to distant anatomic sites and may recur after excision. The most common malignant neoplasms are carcinomas (adenocarcinomas o... Explore this topic

The Associated Press is a multinational non-profit news agency based in New York City. The AP is a nonprofit cooperative owned by its contributing newspapers, radio, and television stations in the United States, all of which contribute stories to the AP and use material writte... Explore this topic