The case for polygamy  —  Discussing the Supreme Court's decision on gay marriage recently, Sen. Rand Paul joked about bestiality.  This was unwise.  If Paul wanted to make the slippery slope argument, the case for polygamy is much more compelling — and realistic.  —  This is not some straw man argument.

Rick Perry Attacks Wendy Davis: ‘She Was A Teenage Mother Herself’  —  Texas Gov. Rick Perry (R) directly attacked state Sen. Wendy Davis (D) during a speech at the National Right To Life conference on Thursday, arguing that the state senator who filibustered for 13 hours to defeat …

NSA collected Americans' email records in bulk for two years under Obama  —  • Secret program launched by Bush continued ‘until 2011’  —  • Fisa court renewed collection order every 90 days  —  • Current NSA programs still mine US internet metadata

Six States Already Moving Forward With Voting Restrictions After Supreme Court Decision  —  Joseph Diebold is an intern with ThinkProgress.  —  President Lyndon B. Johnson signs the Voting Rights Act into law.  —  Less than 48 hours after the Supreme Court struck down Section 4 …

Treasury IG: Liberal groups weren't targeted by IRS like Tea Party  —  Liberal groups seeking tax-exempt status faced less IRS scrutiny than Tea Party groups, according to the Treasury inspector general.  —  Russell George, Treasury's inspector general for tax administration, told Rep. Sandy Levin …

Senate votes 68-32 to end debate on immigration; 4 p.m. final vote  —  The Senate voted 68-32 Thursday to end debate on immigration legislation, clearing the way for the landmark bill to pass later in the day.  —  The bill's authors fell just short of their goal to win 70 votes for the legislation …

George Zimmerman Witness Can't Read Letter She ‘Wrote’ About Shooting  —  A teenage friend of Trayvon Martin was forced to admit today in the George Zimmerman murder trial that she did not write a letter that was sent to Martin's mother describing what she allegedly heard on a phone call with Martin moments before he was shot.

Senators begin drive for tax reform by wiping the slate clean  —  The Senate's top two tax writers accelerated the chamber's tax reform negotiations on Thursday, adopting a “blank slate” approach to reform that calls on all their colleagues to make the case for their favorite tax breaks.

How Glenn Greenwald Became Glenn Greenwald  —  Before he was the Guardian 's eyes on the National Security Agency, Greenwald was a Manhattan litigator with an itchy trigger finger.  “He doesn't care if the entire world hates him.”  —  Via: Vincent Yu / AP

Tammy Duckworth Eviscerates Contractor Who Claimed Veterans Disability  —  WASHINGTON — On Wednesday, Rep. Tammy Duckworth (D-Ill.), a veteran of the Iraq War, dramatically chastised a federal contractor who claimed that a high school sports injury had rendered him a service-disabled veteran.

NFL star charged with murder  —  Former New England Patriots tight end Aaron Hernandez is now being investigated in connection with a double murder in Boston's South End in July 2012, a law enforcement source close to the investigation told CNN.  —  Aaron Hernandez back in court Thursday