Trump-Clinton: likely November clash for White House

November's US presidential election is taking shape: Republican billionaire Donald Trump and Democratic power player Hillary Clinton look set for an ugly battle for the White House after a bruising primary season. Trump knocked out his only serious challenger Ted Cruz on Tuesday in Indiana's key primary, winning 53 percent of the vote against 37 percent for the Texas senator, who raised the white flag and surprisingly pulled out of the race. Over the course of the past 10 months, the 69-year-old