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'Today' show co-host Matt Lauer (pictured above). NBC's 'Today' show has ceded its long-held number one position in the ratings to Good Morning America amid a high profile, unsuccessful tryout of Ann Curry as co-host. - 

The turmoil surrounding NBC's Today show has been getting a lot of attention in recent weeks. The show has ceded its long-held number one position in the ratings to Good Morning America amid a high profile, unsuccessful tryout of Ann Curry as co-host. It may seem trivial, but it's a big deal to the TV networks where morning shows are big business.

A Maryland energy company wants to build the world's third-tallest structure to generate downdraft power in the Arizona desert.

The Environmental Protection Agency is expected to propose a new rule today that will require refiners to cut the amount of sulfur in gasoline by two thirds.

Follow Jeremy Hobson at @jeremyhobson