*** End of another era? Down the ballot in North Carolina, the Democratic hit that Elizabeth Dole spent just 20 days in the Tar Heel State in 2005 and 13 days there in 2006 might very well have been the final nail in her coffin in her race against Dem challenger Kay Hagan. Could the end of the Bush era also bring us the end of the Dole era? There has been a Dole in the Senate for nearly 50 straight years -- and either a Bush or a Dole on the national ticket going back to '72. Will Liddy Dole's potential defeat signal the true end of the two most powerful Republican families of the last 50 years?