What next after Iraq's general election?

Iraqis head to the polls on Tuesday to elect a new parliament for a four-year term in a vote that will be closely watched in Washington and Tehran. Here is a look at what could come next and what the regional impact could be.- What happens after the vote? -Iraq's Supreme Court must first ratify the election results.Two weeks later, the newly elected members of parliament should convene for a swearing-in ceremony and to choose their speaker, who by convention should be a member from the Sunni community.