The latest political headlines powered by NBC News and msnbc.com  —  NBC News projects Lugar defeated in Indiana primary  —  NBC News has declared Richard Mourdock as the projected winner in the Indiana Senate primary.  Mourdock defeated six-term Republican foreign policy elder statesman Sen. Richard Lugar.

Half of Americans Support Legal Gay Marriage  —  Democrats and independents in favor; Republicans opposed  —  PRINCETON, NJ — Fifty percent of Americans believe same-sex marriages should be recognized by law as valid, with the same rights as traditional marriages — down slightly from 53% last year …

No Birth Certificate Required  —  The White House Visitors Office requires that an unborn child—still residing in utero—must be counted as a full human being when its parents register for a White House tour, according to documents obtained by the Washington Free Beacon.

Cruel irony in Elizabeth Warren's Cherokee saga  —  Throughout her career and political campaign, Elizabeth Warren has found victims everywhere she looked, including when she looked in the mirror and saw an alleged descendant of one of the most historically victimized groups, Native Americans.

Suicide Mission Volunteer Was Double Agent, Officials Say  —  WASHINGTON — The would-be suicide bomber dispatched by the Yemen branch of Al Qaeda last month to blow up a United States-bound airliner was actually a double agent who infiltrated the terrorist group and volunteered for the suicide mission …

Low student loan interest rates in limbo after Democrats' bill stalls in Senate  —  In a 52-45 vote, the Senate on Tuesday rejected a motion to proceed to legislation that would keep interest rates on federal student loans from doubling.  —  Sixty votes were needed to move to a debate on the legislation …

Mob on the Quad  —  Late last night, in a shameful example of editorial cowardice, the Chronicle of Higher Education fired Naomi Schaefer Riley.  Naomi is a good friend of mine, a sometimes contributor to THE WEEKLY STANDARD, and a fine writer.  And the story of what happened to her is highly instructive.

Maurice Sendak, Children's Author Who Upended Tradition, Dies at 83  —  Maurice Sendak, widely considered the most important children's book artist of the 20th century, who wrenched the picture book out of the safe, sanitized world of the nursery and plunged it into the dark …

BREAKING NEWS: Twitter Stands Up For One Of Its Users  —  Twitter has filed a motion in state court in New York seeking to quash a court order requiring it to turn over information about one of its users and his communications on Twitter.  This particular case involves a Twitter user …

Michele Bachmann claims Swiss citizenship  —  Rep. Michelle Bachmann is now officially a Swiss miss.  —  Bachmann (R-Minn.) recently became a citizen of Switzerland, making her eligible to run for office in the tiny European nation, according to a Swiss TV report Tuesday.

Unemployment Rate Without Government Cuts: 7.1%  —  One reason the unemployment rate may have remained persistently high: The sharp cuts in state and local government spending in the wake of the 2008 financial crisis, and the layoffs those cuts wrought.  —  The Labor Department's establishment survey …

Wake up Democrats; you could lose  —  Editor's note: James Carville is a Democratic strategist who serves as a political contributor for CNN, appearing frequently on “The Situation Room” as well as other programs on all CNN networks.  —  (CNN) — A long time ago a great three-time governor of Louisiana …

John Edwards trial: Donor warned Obama campaign  —  GREENSBORO, N.C. — Former Sen. John Edwards's defense suggested Tuesday that he was simply seeking to cover up his extramarital affair and out-of-wedlock child when he told associates and advisers in 2008 that he hoped to be the Democrats …

TPMDC  —  Awkward!  Republicans Who Opposed Auto Bailout Stumped By Romney Claiming Credit For It  —  As long as Mitt Romney publicly claims credit for the auto industry's recovery, he's going to put his fellow Republicans on Capitol Hill in an awkward position.

House to vote on Trayvon amendment  —  House Democrats said Tuesday they will offer an amendment to push to overturn stand-your-ground self-defense laws in states like Florida.  —  The amendment, which would withhold some grants from states that have such laws, will come as part …

Three-Way Race: Romney 44%, Obama 39%, Ron Paul 13%  —  Texas Congressman Ron Paul appears more interested in influencing the direction of the Republican Party than in running as an independent presidential candidate.  But perhaps Democrats should be careful what they wish for …