In July, a poll by Public Policy Polling found Mr. Obama leading Mr. Romney by six percentage points.

WSJ: Ryan Provides Wisconsin Lift but No Guarantee

Mr. Murphy led Ms. McMahon in a head-to-head matchup 50% to 42% in the July poll by Public Policy Polling.

WSJ: Tommy Thompson Wins GOP Primary in Wisconsin

If a survey published Tuesday by Public Policy Polling is to be believed, Fox News is the most trusted name in TV news.

FORBES: Poll: Fox News Is The Most Trusted Name In TV News

Heading into the primary, she led Mr. Shays by 68% to 20%, according to a poll released on July 31 by Public Policy Polling, a Democratic firm.

WSJ: Tommy Thompson Wins GOP Primary in Wisconsin

It's the US Congress, which is less popular than cockroaches, used car salesmen and head lice among other things, according to a poll by Public Policy Polling.

BBC: Quiz of the week's news