President Obama Wins Second Term  But his final electoral-vote
tally might not be known until well into Wednesday.  Getty
Images  After calling the state of Ohio for President Obama,
NBC, CNN, CBS and others are predicting that he has won re-
election. "This happened because of you. Thank you," Obama
tweeted at 11:14 p.m. ET.  From NBC:  One after another, crucial
states that had been deemed toss-ups before Election Day fell
into the president’s hands: Pennsylvania, Wisconsin, New
Hampshire, Iowa. With each Obama win, the path to victory for
Romney got narrower and more demanding.  Finally, the results in
Ohio put Obama over the top, handing him the Electoral College
swing votes he needed to remain at the reins of a divided and
anxious nation. Ohio has sided with the winning candidate in
every presidential election since 1960.  For full Decision 2012
coverage, visit NBCNews.com.  So many people turned out to vote
Tuesday that several crucial states, including Florida and
Virginia, remained open after closing t