He called on voters to look for alternatives to the brand-name candidates.
Visitors to CarlyFiorina.org encounter claims about layoffs at Hewlett-Packard.
Carson blamed liberal economic policies for the sour mood.
Carson's mother, Sonya, is suffering from Alzheimer's.
The former tech executive said the nation wants someone "outside the political class."
“I’m not 100 percent sure politics as usual is going to save us," he said.
“Mother’s Day gift idea: a call from Hillary,” the Democrat wrote on Twitter.
The 2016 candidate called on Americans to rise up against influence of special interests.
Mark Hensch 05/03/15 10:00 AM EDT
John Kasich called on law enforcement and the communities they serve to seek common ground.
Three new candidates enter the race for the GOP nomination this week.