5 things you need to know Monday
Victims of Russian jetliner crash return home
One hundred forty of the 224 victims in the crash of a Russian jetliner in Egypt's Sinai region were flown home and arrived in St. Petersburg early Monday, the Russian Ministry of Emergencies said. Russian news agencies say the government will be dispatching a second plane to bring back more remains later in the day and President Vladimir Putin declared a nationwide day of mourning. About 100 Russian investigators and support staff are working with Egyptian officials to try and determine the cause of the crash. A local affiliate of the Islamic State says it brought down the plane, but Russian and Egyptian officials don't find the claim credible.
Bush campaign launches Jeb! 2.0
Jeb Bush's presidential campaign is in trouble, particularly after a poor showing in last week's debate. In response to speculation he could be dropping out, Bush and aides are re-tooling their team and trying to fight off competitors who are looking to poach some of their donors. In the short term, the Bush team is playing up a Monday speech in Tampa that kicks off his "Jeb Can Fix It" tour. Bush also released his long-planned e-book Monday, Reply All, a selection of email exchanges with everyday Floridians, journalists and others during his two terms as Florida governor.
Supreme Court considers race in jury selection
The Supreme Court will look at the case of Timothy Foster, a black man convicted of murdering an elderly white woman in 1987 by an all-white jury in Rome, Ga. During sentencing, prosecutors urged the jury to impose the death penalty to "deter other people out there in the projects." The Supreme Court will review the way prosecutors, defense attorneys and trial judges handle jury selection. And because Foster received a death sentence, it could fuel concerns previously voiced by two justices that the death penalty itself may be unconstitutional.
American companies make debut at Cuban trade fair
Cuba's International Trade Fair kicks off Monday on the outskirts of Havana, the first one since the United States and Cuba announced they would re-establish diplomatic relations. The change opened trade opportunities and has led to a rush of American companies hoping to get access to the long-isolated island. This week's trade fair will feature dozens of American companies exploring trade opportunities, from giants such as Cargill and Caterpillar to smaller enterprises such as the Oregon-based Ninkasi Brewery Co., looking to sell its beer to the island.
Use of tech among tykes is 'almost universal'
Nearly 97% of parents said their children used mobile devices of some sort and most started before their first birthday, according to a study, appearing Monday in the journal Pediatrics. It finds "almost universal exposure," early adoption and use of mobile devices among young children. If upheld by further research, the findings could upend our understanding not only of how very young children now consume media, but of whether the long-studied "digital divide" between low-income and middle-class families even exists anymore.

And, the essesntials:
Weather: Monday's forecast calls for wet weather for the West and Southeast.
Stocks: Asia, Europe stocks decline; U.S. stock futures flat.
TV tonight: Wondering what to watch tonight? TV critic Robert Bianco looks at Crazy Ex-Girlfriend, Supergirl and The Diplomat.
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Contributing: The Associated Press