Rep. Chet Edwards, D-Texas, talks about being considered as Democratic presidential candidate Barack Obama running mate in his backyard Friday Aug. 22, 2008 in Waco Texas. Edwards was tight lipped but Democratic officials said he was one of the few Democrats whose background was checked by Obama's campaign and he was a finalist for the job. (AP Photo/ Rod Aydelotte)

Rep. Chet Edwards, D-Texas, talks about being considered as Democratic presidential candidate Barack Obama running mate in his backyard Friday Aug. 22, 2008 in Waco Texas. Edwards was tight lipped but Democratic officials said he was one of the few Democrats whose background was checked by Obama's campaign and he was a finalist for the job. (AP Photo/ Rod Aydelotte)

Rep. Chet Edwards, D-Texas stands with his youngest son, Garrison, age 11, while talking to reporters at his home in Waco, Texas, Friday, Aug. 22, 2008. Edwards is considered by Democratic presidential candidate Barack Obama as a possible running mate. Edwards was tight-lipped but Democratic officials said he was one of the few Democrats whose background was checked by Obama's campaign and he was a finalist for the job. (AP Photo/ Rod Aydelotte)

Rep. Chet Edwards, D-Texas, checks his cell phone at his home in Waco Texas. Friday, Aug. 22, 2008. Edwards is considered by Democratic presidential candidate Barack Obama as a possible running mate. Edwards was tight- lipped but Democratic officials said he was one of the few Democrats whose background was checked by Obama's campaign and he was a finalist for the job. (AP Photo/ Rod Aydelotte)

Rep. Chet Edwards, D-Texas, talks one the phone from his home in Waco, Texas, Aug. 22, 2008. Edwards is considered by Democratic presidential candidate Barack Obama as a possible running mate.. Edwards was tight lipped but Democratic officials said he was one of the few Democrats whose background was checked by Obama's campaign and he was a finalist for the job. (AP Photo/ Rod Aydelotte)