U.S. has seen no 'specific or credible threat' to disrupt midterm vote

WASHINGTON/SAN FRANCISCO, Nov 8 (Reuters) - American officials are not seeing any credible threats aimed at the country's voting machines or poll books during the U.S. midterm elections, a senior federal cybersecurity official told reporters on Tuesday."We see no specific or credible threat to disrupt election infrastructure," the official told reporters during a scheduled briefing just as Election Day was…