Rick Perry to make 2012 intentions clear Saturday  —  Rick Perry intends to use a speech in South Carolina Saturday to make clear that he's running for president, POLITICO has learned.  —  According to two sources familiar with the plan, the Texas governor will remove any doubt …

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Aaauuuggghhh!  Market Commentary Edition  —  Carnage in stock markets as I write — and all of the headlines I see attribute it to S&P's downgrade.  —  They really are trying to make my head explode, aren't they?  —  Once again: S&P declared that US debt is no longer a safe investment …

Senate panel reviewing S&P downgrade  —  (Reuters) - The Senate Banking committee has begun looking into last week's decision by Standard and Poor's to downgrade the U.S. credit rating, a committee aide told Reuters on Monday.  —  The aide said the panel was gathering information …

Who ‘made $10bn on 10/1 bet that U.S. credit rating would be downgraded’?  —  A mystery investor or hedge fund reportedly made a bet of almost $1billion at odds of 10/1 last month that the U.S. would lose its AAA credit rating.  —  Now questions are being asked of whether the trader …

House leaders end page program  —  House Speaker John Boehner (R-Ohio) and Minority Leader Nancy Pelosi (D-Calif.) announced they were ending the House page program.  —  As of Aug. 31, the program — which employs nearly 70 high school students to serve as messengers and couriers …

Back on Stump, Romney Faults Obama on Downgrade  —  CONCORD, N.H. — After a week's vacation, and facing questions about a relatively subdued campaign for the Republican presidential nomination, Mitt Romney kicked off his busiest week yet on Monday and wasted no time in blaming President Obama for America's credit rating downgrade.

Hillary Told You So  —  As Democratic disgust with Obama's debt fumbling spreads, Clinton supporters recall her ‘3 a.m. phone call’ warnings—and angry, frustrated liberals are muttering that she should mount a 2012 challenge.  —  At a New York political event last week …

Obama Job Approval 50% or Higher in 16 States and D.C.  —  Idaho residents least approving, at 27%  —  PRINCETON, NJ — Residents of 16 states and the District of Columbia gave President Obama approval ratings of 50% or higher during the first half of 2011, led by the District of Columbia, Connecticut, Maryland, and Delaware.

Waiting For A Landslide  —  In 1955, a political scientist named V. O. Key published an essay entitled “A Theory of Critical Elections.”  He argued that realignments in American politics are usually punctuated by transformative elections, in which the old order suddenly gives way and a new majority emerges in its place.

Obama's horrifyingly bad speech  —  He was a half hour late.  His head turned from side to side as if he were attending a tennis match.  He practically never looked in the camera, as if he were averting our gaze.  And those were the strong parts of President Obama's disastrous speech.

Did a New Taliban Weapon Kill a Chopper Full of Navy SEALs?  —  Updated 8:36 a.m. EDT.  —  The passengers and crew of the twin-rotor CH-47 Chinook helicopter probably never saw the rocket hurtling towards them.  The explosion and fiery crash in Wardak province in eastern Afghanistan early …

Racially motivated attack on video  —  Editor's note: The following story contains language some readers may consider offensive.  —  Jackson, Mississippi (CNN) — On a recent Sunday morning just before dawn, two carloads of white teenagers drove to Jackson, Mississippi …

It's a Growth Scare  —  FTalphaville has been saying this all day, and it's right.  The action in the markets looks nothing like worries about US solvency; it looks exactly like what you expect to see when markets suddenly realize that the economy's growth prospects look terrible.

London riots: live  —  This is our live coverage of the riots and disturbances in London, which on Sunday night brought looting and disruption to large areas of the capital.  —  Police guard a shop after looting broke out in Brixton on August 8, 2011 in London

Groups Call for Scientists to Engage the Body Politic  —  When asked to name a scientist, Americans are stumped.  In one recent survey, the top choice, at 47 percent, was Einstein, who has been dead since 1955, and the next, at 23 percent, was “I don't know.”