Suffolk University

The Donald Trump bullet train charged full speed ahead on Tuesday, as the unfiltered US presidential hopeful slammed China, Barack Obama's administration and Republican rival Jeb Bush while reveling in fresh poll results that he said show him "leading everywhere."

Another day campaigning for president, another controversy for US tycoon Donald Trump, who was lampooned Tuesday over a tweet that appeared to show Nazis marching under the White House.

The Donald Trump bullet train charged full speed ahead on Tuesday, as the unfiltered US presidential hopeful slammed China, Barack Obama's administration and Republican rival Jeb Bush while reveling in fresh poll results that he said show him "leading everywhere."

Another day campaigning for president, another controversy for US tycoon Donald Trump, who was lampooned Tuesday over a tweet that appeared to show Nazis marching under the White House.