White House: Donors Weren't Booing Obama  —  Booo-urns!  They “were saying ‘Yoooook and not Booo’ for God's sake,” Jay Carney says.  —  Source: youtube.com  —  White House Press Secretary Jay Carney denied that Boston donors to President Barack Obama campaign's booed the president …

TPM2012  —  Claire McCaskill Will Not Attend Democratic National Convention  —  Claire McCaskill will not be attending the Democratic National Convention in Charlotte, a McCaskill aide confirmed to TPM Tuesday.  McCaskill joins a list of vulnerable Democratic politicians whose home districts …

Reid, McConnell say they have a deal on student loan interest rates  —  Senate leaders say they have a deal on student loan legislation, pending approval by House Republicans, who have unexpectedly balked at Senate deals before.  —  Senate Majority Leader Harry Reid (D-Nev.) …

After winning right to spend, political groups fight for secrecy  —  Conservatives who said disclosure of donors would prevent corruption now are attacking such rules, citing fears of harassment.  —  High-profile donors could face bullying and harassment from liberals out to “muzzle” …

Brown, Warren tied  —  PPP's newest poll on the Massachusetts Senate race finds it dead even, with Elizabeth Warren and Scott Brown both at 46%.  Warren's now been at that exact same 46% mark in three PPP polls in a row dating back to last September.  Brown's increased his support from levels …

What Happened Tonight  —  So anyone following along on twitter know the basics.  I was SWATted tonight.  My wife was down in the basement, and unknown to me she had fallen asleep in an uncomfortable position while watching TV.  I was just finishing up a post where I was going to share …

“Please God.  Please make it stop.”  —  I have been forced to leave Cairo prematurely following a horrific sexual and physical attack in Tahrir Square.  —  The atmosphere was one of jubilation, excitement, and happiness as I walked, accompanied by two male companions for safety along Kasr El Nil bridge.

Top Republican Senator Suggests Impeaching Obama Over Immigration Policies  —  Sen. Jon Kyl (R-AZ) floated the possibility of impeaching President Obama over the administration's recent decisions on immigration, during an appearance on Bill Bennett's radio show on Tuesday.

Confrontation With TSA Agent Leaves Grandpa's Ashes On Floor  —  Indianapolis Man Furious Over Treatment At Florida Airport Checkpoint  —  INDIANAPOLIS — A man's attempt to bring the ashes of his grandfather home to Indianapolis ended with an angry scene in a Florida airport, with the ashes spilled on the terminal floor.

Google scientists find evidence of machine learning  —  A neural network created by connecting 16,000 computer processors appears to support biologists' theories on how the human brain identifies objects.  Hint: It's all about the cats.  —  Follow @stevenmusil

EPA wins big in court challenge on greenhouse gases  —  In a surprisingly sweeping win for the Obama administration, a federal appeals court said Tuesday that the EPA is “unambiguously correct” in its interpretation of the Clean Air Act when it comes to regulating greenhouse gases.

Biden: Romney is a job creator in India, China  —  Waterloo, Iowa (CNN) - Vice President Joe Biden took Mitt Romney's central weapon in his White House bid - his time as a businessman - and used it as political ammunition against Romney on Tuesday.  —  “You got to give Romney credit,” Biden said.

On Orbitz, Mac Users Steered to Pricier Hotels  —  Orbitz Worldwide Inc. has found that people who use Apple Inc.'s Mac computers spend as much as 30% more a night on hotels, so the online travel agency is starting to show them different, and sometimes costlier, travel options than Windows visitors see.

Black Republicans Attack Eric Holder  —  Herman Cain and Ken Blackwell team up for a video critiquing Holder's stances with voting rights.  —  Former presidential candidate Herman Cain and conservative commentator Ken Blackwell have joined forces for a video attacking Attorney General Eric Holder for his positions on voter I.D. laws.

Pay Those Bills On Time Or Forfeit Right To Vote  —  If the 2012 general election winds up as a close GOP win, the odds are very high that the national GOP drive to restrict the franchise will deserve significant credit or blame.  You tend to think, quite rightly, of Florida as Ground zero …

The U-Va. president drama: Is it the Queen Bee scenario?  —  Let's be honest here.  —  Is the drama over the ouster of the University of Virginia's president so compelling because it makes us stare down the death of our culture's sacred, wood-paneled, leather-bound idea of higher education?

CNN Hits 21-Year Ratings Low in Second Quarter  —  Battered by a series of rough weeks and big losses for Anderson Cooper and Piers Morgan, the cable news network sinks with total viewers and in the coveted adults 25-to-54 demo.  —  After several months of bad ratings news for CNN …