Just over a week before the first votes are cast in the Iowa caucuses, Donald Trump has regained his lead over Texas Sen. Ted Cruz in the state of Iowa. Trump now holds a 5-point lead over the Texas Republican, with Florida Sen. Marco Rubio lagging far behind in third place. In New Hampshire, the race remains unchanged at the top, with Trump holding a commanding double-digit lead over his two closest-but-still-distant rivals Cruz and Rubio, who are locked in a tight battle for second place. Further down, Ohio Gov. John Kasich has edged past New Jersey Gov. Chris Christie...