Front page

Flowers and crosses line a fence near the school on a makeshift memorial for the victims of the Marjory Stoneman Douglas High School shooting in Parkland, Florida on February 16, 2018. A former student, Nikolas Cruz, opened fire at the Florida high school leaving 17 people dead and 15 injured. / AFP PHOTO / RHONA WISERHONA WISE/AFP/Getty Images

RHONA WISE/AFP/GETTY IMAGES

FBI was warned of Florida suspect’s desire to kill but did not act

The bureau received a tip in January from a person close to Nikolas Cruz warning that he might conduct a school shooting.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2018/02/16/BostonGlobe.com/National/Images/f9fc8b88-848f-479e-805b-39d0f8bc5f37.jpg Special counsel charges 13 Russian nationals over 2016 election meddling

The alleged plot included efforts designed to boost the presidential candidacy of Donald Trump and hurt that of Hillary Clinton.

Mandy Xu shops with a digital app.

Why your grocery store wants to be like a startup

Expect more technology in the aisles as supermarkets begin to look to the future.

The Senate candidacy announcement finalizes a political resurrection for Mitt Romney, who after his 2012 loss in the presidential race said that unsuccessful nominees “become a loser for life . . . it’s over.”

Mitt Romney is trying something that hasn’t been done in politics in 173 years

Mitt Romney confirmed that he’s running for US Senate in Utah, and if he wins, he’ll make history. No one since Sam Houston has been a governor of one state and then a senator from another.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2017/11/09/BostonGlobe.com/Metro/Images/ryan_boston13_met.jpg Long-delayed Harbor Garage project clears major hurdle

City officials say negotiations have produced a plan that should finally allow construction of a tower as tall as 600 feet near the New England Aquarium.