While terrorism is a constant threat, local and federal emergency responders in the U.S.

VOA: standard.2010.03.30

Michael Jackson's death led many of Pakistan's local television channels Friday morning, knocking the near constant coverage of the military campaign against Taliban militants off the top of the news lineup, if only for a few hours.

VOA: standard.2009.06.26

Audi claims the A8 Hybrid will be able to run at speeds up to 62 mph solely on electric power, and will produce zero local emissions at a constant speed of 37 mph.

FORBES: Sneak Preview: Audi A8 Hybrid

Or how about the experiment suggested by Sir Peter Newsam, a former head of London University's Institute of Education, for initiative-free zones, where head teachers are left to run schools without constant meddling from local authorities and ministers?

ECONOMIST: Schools

But a suffocating legacy of local political scandal supplies the most constant campaign theme.

ECONOMIST: Everybody suddenly wants to clean up New Jersey