Leading US Republican presidential candidate Donald Trump is heading into Tuesday’s election primaries possibly facing his worst night of the campaign since he lost in the Iowa caucuses last month.
Trump’s lead among voters has vanished in Ohio, while GOP candidate and state Governor John Kasich has surged.
His lead has also dwindled in Illinois and Missouri, two states where Senator Ted Cruz is gaining ground in the polls.
The billionaire businessman still holds a significant lead in North Carolina and is positioned for a massive win in Florida.
But a loss in Ohio, where the winner gets all of the state’s delegates to the nominating convention, could be devastating for Trump, forcing him to fight it out at the Republican national convention in July against a party establishment increasingly worried about his candidacy in the November general election.
Trump is much less certain of the election result in Ohio than he had been going into previous…