The Associated Press is keeping a page of running updates and stories about the election. Below is the latest update since this was posted:9:20 a.m. Lines were long in some places, but few voters heading to the polls early Tuesday appeared to be encountering problems. Presidential elections usually include sporadic voting problems, such as machines not working properly. Calls to Election Protection, a national voter helpline, included people reporting long lines as a result of machine problems in three precincts in Virginia. And election officials at a handful of precincts in Durham County, North Carolina, were using paper roll books...