News bites: Question time with Ray LaHood

Your morning transportation speed-read:

Transportation Secretary Ray LaHood is going to open his blog up to questions.

A former aide to Texas Gov. Rick Perry (R) has been tapped to be Texas's new transportation chief.

A lawsuit to halt United and Continental airlines' merger has been dismissed.

A proposed transportation tax in Atlanta is at a crossroads over funding for an expansion of the city's MARTA rail.