Brexit formally begins with UK letter signaling departure from EU

headlines US immigration / The beauty pageant to build Trump's border wall is beginning Proposal deadline is first step in a process that combines three of the president's most successful ventures: pageants, reality TV competitions and xenophobia Arkansas / Executioners will suffer like I did, warns former corrections head Brexit / Donald Tusk receives UK's article 50 letter as May addresses MPs Climate change / Trump moves to take apart Obama's legacy with executive order Internet / US consumers lose privacy protections for their web browsing history Planned Parenthood / Anti-abortion activists charged over undercover videos spotlight Sharing economy / Is Lyft really the 'woke' alternative to Uber? The ride-hailing rival has seized on Uber's scandals to position itself as the ethical choice, but can it back up the claims? World Figure Skating Championships 2017 / Kaetlyn Osmond leads ladies' short program Hawaii / As Waikiki moves homeless out, some fear perpetual displacement 'The activist Bonnie and Clyde' / Young lovers lead Portland's Trump resistance Ghost in the Shell review / Scarlett Johansson remake lacks mystery Where have all the cowboys gone? / California's country music scene is fading opinion America's deportation squads want to expel our neighbours. We are saying no Bill McKibben Our self-styled feminist CEOs aren't as empowering as we thought Arwa Mahdawi When Mosul is liberated a new chapter in political policymaking must begin Ranj Alaaldin sports Kaepernick is unsigned because NFL coaches still play not to lose Les Carpenter NBA / Who's to blame for the Cleveland Cavaliers' recent slump? Women's hockey / The US team took on their employers – and won in a rout Guardian News & Media Limited - a member of Guardian Media Group PLC. Registered Office: Kings Place, 90 York Way, London, N1 9GU. Registered in England No. 908396