Margaret Thatcher dies  —  Former Prime Minister Baroness Thatcher has died “peacefully” at the age of 87 after suffering a stroke, her family has announced.  —  David Cameron called her a “great Briton” and the Queen spoke of her sadness at the death.  —  Lady Thatcher was Conservative prime minister from 1979 to 1990.

Hill holds Obama's legacy in its hands  —  It's now or never for the White House.  —  President Barack Obama's second-term agenda is in doubt as Congress returns to Washington this week for a spring and summer stretch that could go a long way to define the scope of Obama's legacy.

Westboro Baptist Church to Picket Roger Ebert's Funeral  —  The anti-gay group says it will protest outside the movie critic's memorial service Monday in Chicago.  —  Leaders of Kansas' Westboro Baptist Church, notorious for picketing at the funerals of soldiers and gay teenagers …

Pentagon to Seek Less for Missile Defense in 2014 Budget  —  The Pentagon will request $9.16 billion for missile defense programs for the 2014 fiscal year that begins Oct. 1, about $550 million less than this year's $9.71 billion, according to internal budget figures obtained by Bloomberg News.

Americans' Concerns About Global Warming on the Rise  —  Majority believe global warming is happening, but many still say it's exaggerated  —  PRINCETON, NJ — U.S. worry about global warming is heading back up after several years of expanded public skepticism.

Libertarianism goes mainstream  —  Stereotyped for decades as pro-pot, pro-porn and pro-pacifism, libertarians are becoming mainstream.  —  Fair or not, Ron Paul epitomized to a swath of voters the caricature of a goofy grandpa who invests in gold, stockpiles guns, sees black helicopters whirling overhead and quotes Friedrich Hayek.

Insurance and Freedom  —  President Obama will soon release a new budget, and the commentary is already flowing fast and furious.  Progressives are angry (with good reason) over proposed cuts to Social Security; conservatives are denouncing the call for more revenues.  But it's all Kabuki.

Coptic Christians under siege as mob attacks Cairo cathedral  —  Alastair Beach sees gunfire exchanged as armed gang descends on funeral of five Christians killed in recent sectarian clashes  —  Hundreds of Christians were under siege inside Cairo's Coptic cathedral last night as security forces …

At least 28 of Max Baucus's former aides are now tax lobbyists  —  Sen. Max Baucus (D-Mont.) is chairman of the Senate Finance Committee.  That means he's the guy in the Senate charged with writing any overhaul of the nation's tax laws.  And that means that anyone who has ever worked …