By Alexandra Ulmer, Peter Eisler and Linda So (Reuters) -Authorities responded to a fake emergency at the South Carolina home of Republican presidential candidate Nikki Haley last month after a man claimed to have shot a woman and threatened to harm himself at her home, according to town records obtained by Reuters. The previously unreported “swatting” incident is among a wave of violent threats, bomb scares and other acts of intimidation against government officials, members of the judiciary and election administrators since the 2020 election that have alarmed law enforcement ahead of this ye…