Washington Post/ABC News poll finds 51% of Americans say Obama is not a strong leader, up from 44% in June.
PLUS: President loses to Bay Stater in head-to-head match-up.
Romney 47 — Obama 46
Obama 51 — Perry 43
Obama 50 — Cain 45
Conducted Oct. 31 — Nov. 3, 2011. Margin of error 3.5 points.
