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Know It All: Thursday evening's top stories from NBC News

Here's a snapshot of some of the top stories we're following Thursday evening:

Lawmakers say Obama must do more to sell intervention in Syria

Lawmakers from both parties Thursday evening said President Barack Obama had more work to do to sell a skeptical Congress and war-weary American public on the wisdom of U.S. military intervention in Syria. Read more on NBC News

British Parliament rejects military action in Syria

The British Parliament on Thursday rejected a proposal for military action in Syria — while the Obama administration said it would make its own decision on a possible strike. Facing growing hesitation from Congress, the Obama administration insisted that any attack on Syria for using chemical weapons would be limited — and flatly rejected comparisons to the Iraq War. Read more on NBC News

NFL reaches $765 million settlement with players over head injuries

The National Football League has agreed to pay $765 million to settle thousands of player lawsuits over head injuries — a deal that both sides declared a win for retired athletes with debilitating brain damage. Read more on NBC News

Food fight: Workers strike for higher wages

The battle to boost the minimum wage escalated Thursday when thousands of workers at hundreds of fast food restaurants in 50 U.S. cities walked off the job to demand decent pay. Read more on NBC News

Feds: Let them smoke pot

The Justice Department will not sue to prevent the states of Washington and Colorado from permitting recreational marijuana use for adults as long as they develop a sound, workable regulatory structure, Attorney General Eric Holder said Thursday. Read more on NBC News

IRS to recognize gay marriages across US

All married same-sex couples in the U.S. will receive federal tax benefits previously given to just heterosexual couples, the Obama administration said Thursday. The new rule applies even to gay couples living in states where same-sex unions aren’t allowed. Read more on NBC News

Regrowing human body parts in sight

Humans have long dreamed of the day when we could grow new body parts to replace the ones we lost, just like salamanders that can sprout new limbs. Now researchers are actually finding ways to turn those dreams into reality. Read more on NBC News

NY man to get $5 million lottery jackpot – seven years late

New York State Lottery officials have verified that Robert Miles, a Syracuse maintenance worker, is the rightful winner of a 2006 scratch-off jackpot after it was determined a family of convenience store workers tried to bag the winnings for themselves. Read more on NBC News