DAY'S END ROUNDUP

FROM THE BLOGS:

The search for the undecided voter
The New Yorker's Elizabeth Kolbert chronicles the effort to figure out who the voters who remain up for grabs really are

Is Rafalca holding up Mitt Romney's VP pick?
The Weekly Standard's Bill Kristol suggests that Ann Romney's desire to attend the Olympic dressage competition is delaying Romney's debut of a running mate

Forecast improving for Obama
FiveThirtyEight's Nate Silver says a strong week of economic and polling data for the president has increased his odds of winning to their highest point so far this election cycle

Romney's trip highlighted press bias
National Review's Rich Lowry says the presumptive Republican nominee's trip to Europe should have embarrassed members of media more than the Romney campaign

OTHER NEWS SOURCES:

Obama: 'More work to do' on jobs
The president was encouraged by the July jobs report that beat expectations, but said work remained, The Hill's Amie Parnes reports

Paul prevents ambassador to Pakistan confirmation in protest
The Kentucky senator is looking to send Islamabad a message about the arrest of a doctor who helped the CIA find Osama bin Laden, The Hill's Julian Pecquet reports