U.S. Rep. Richard Burr's decision to seek the U.S. Senate seat of John Edwards may have some Piedmont Triad voters remembering the 1970s television comedy "Eight is Enough." With the primary election more than three months away and the general election seven months off, eight candidates are already in a messy tussle for the Republican nomination for Burr's 5th Congressional District seat. They include current and former state legislators and a black conservative activist. There's also a soy supplement executive and the scion of the Broyhill furniture family. Though most campaigns only heat up in the final weeks before a...