Also: U.K. angry with pope; updates on Tropical storm Karl.
Senate candidate Christine O'Donnell addresses supporters after winning the Republican nomination for Senate in Delaware, Tuesday, Sept. 14, 2010, in Dover, Del. O'Donnell upset Rep. Mike Castle. From The Associated Press:
It's tea time in America.
Conservative Christine O'Donnell pulled off a stunning upset over nine-term Rep. Mike Castle in the Republican Senate primary in Delaware Tuesday, propelled by tea party activists into a November showdown with Democrat Chris Coons. After a primary season shaped by economic pain and exasperated voters, the grass-roots, anti-establishment movement can claim wins in at least seven GOP Senate races, a handful of Republican gubernatorial contests and dozens of House primary campaigns, and it influenced many others.
» Read the full story: Big night for tea party: O'Donnell wins Delaware [The Associated Press]
» Roundup of primary results to know about [The Atlantic]
» Tea party win stuns Delaware GOP, thrills Dems [The Associated Press]
» Path to a Republican Senate takeover has narrowed to the point of vanishing [Politico]
In other news:
» Anger awaits pope on landmark UK visit [CNN]
» Tropical storm Karl heads for Mexico's Yucatan, oil rigs [Reuters]
» Twitter unveils multimedia-friendly redesign [Telegraph]