Newt Gingrich and Herman Cain, among others, faced negative accusations on the campaign trail. (Evan Vucci/AP)

Every little bit of opposition research that diggers can find gets chucked into the fray, reports our colleague Melinda Hennenburger. “There are no secrets,” says one political operative. “candidates today just assume the worst will come out and aren’t particularly sensitive to dropping bad news on their opponents.”

Elsewhere, Sen. Olympia Snowe (R-Maine), in her own words, describes why she’s leaving the Senate and diagnoses some of the chamber’s ailments. A sample line: “there is...strength in compromise, courage in conciliation and honor in consensus-building.”

And, because it’s Friday, you can treat yourself to a little ogling of cute pet videos--and at least with this one, featuring First Dog Bo Obama, you can tell your boss it’s official business.

Adorable spoiler alert: In the video, which promotes this year’s annual Easter egg roll, Bo dresses the part.