His favorable rating has risen to 24 percent, up from 12 percent in March.
"We cannot let this become the new normal," he said of recent mass shootings.
The vice president reportedly may challenge Hillary Clinton.
Rather than take aim at each other, the candidates took turns attacking the GOP.
Niall Stanage 07/17/15 06:00 AM EDT
The candidate wants to shed the image that his support comes only from whites.
“Why is he asking for the nomination of a party he always avoided joining?”
"I’m hoping that he will get the nomination," said Dudley Dudley.
The former senator called for a “fresh approach” to solving the nation’s biggest problems.
The Democratic presidential candidate reportedly spoke to 10,000 supporters Wednesday.
Julian Hattem 06/24/15 08:49 AM EDT
Politicians and media figures have debated whether to call the killings “terrorism.”