Know It All: Monday's top stories at NBC News

President Barack Obama continues to press Congress to support a military strike against the Syrian regime. Sergey Guneev/Host Photo Agency via Getty Images

Here are some of the top stories Monday morning at NBC News:

Fight for Syria action returns to Capitol Hill

President Barack Obama will embark Monday on a full-out public relations offensive to try and persuade Congress and the American public to support military strikes against Syria. Congress will be in session on Monday for the first time since the August recess, and debate on Syria could begin in the full Senate this week, with voting as early as Wednesday. Read more at NBC Politics.

New front opens in California wildfire war

A new wildfire near Mount Diablo, about 35 miles east of Oakland, has grown past 800 acres and is just 10 percent contained. The fire is still growing and poses a new threat to California’s fire-weary residents. Read more at NBC News.

107-year-old shot by SWAT after standoff

Arkansas authorities will continue to investigate what led to a fatal shootout between SWAT officers and a 107-year-old man. Monroe Isadore allegedly fired on officers when they approached a bedroom in which he had barricaded himself. Read more at NBC News.

New salvo in the breast-cancer screening debate

The issue of mammogram screening has been a sticky one, particularly after a 2009 report said most women need not undergo regular screenings until age 50. Now, a new report out Monday threatens to reignite the debate over when women should get mammograms. Read more at NBC News.

Apple’s announcement has tech world abuzz

Apple is tight-lipped ahead of its Tuesday press event, but speculation is rampant about a new generation of iPhone and other goodies from the Cupertino company. Read more at NBC News.

Top seeds collide at Flushing Meadows

Top-seeded Novak Djokovic faces No. 2 Rafael Nadal in the men's title match for the third time in four years. The match comes a day after Serena Williams survived the longest women’s final in three decades to win her 17th major title. Read more at NBC Sports.