John Avlon : The only thing that is certain in this world of ours is death and taxes. Avlon : Jeb Bush seems settled in at 10 % , despite brand name and legendary brand loyalty . Traditionally , GOP coalesce around a front-runner ; Democrats root for newcomers . Now , GOP has an eclectic pool of presidential candidates ; Democrats have Hillary Clinton . Avlon : If Clinton does not run , Democrats will have almost no strong candidate .
John Avlon : The only thing that is certain in this world of ours is death and taxes. Avlon : Traditionally , GOP coalesce around a front-runner ; Democrats root for newcomers . Now , GOP has an eclectic pool of presidential candidates ; Democrats have Hillary Clinton . Avlon : If Clinton does not run , Democrats will have almost no strong candidate .