(WREG-TV) And they're off!
From U.S. Senator Lamar Alexander getting a Republican opponent with deep pockets, to Congressman Steve Cohen finding a challenger from a close ally of former Mayor Willie Herenton, to a city councilman deciding to take a shot at beating State Senator Ophelia Ford.
There have been lots of interesting developments for the primary election in August.
We ask the Informed Sources what they make of these incumbent challengers.