The right to vote in the US is under attack, with sustained efforts to disfranchise Black voters, US attorney general Merrick Garland told a Selma church service commemorating the 59th anniversary of the Bloody Sunday police attack on civil rights activists.Garland said decisions by the supreme court and lower courts since 2006 have weakened the 1965 Voting Rights Act.The landmark legislation was passed in the wake of the violent attack by Alabama police on unarmed demonstrators – including the late civil rights leader John Lewis – as they tried to cross Edmund Pettus Bridge on 7 March…