"As my father would say, come hell or high water, we're going to win this," Biden told the group, according to organizers of the fast, now in its 11th day.
Boehner insisted this week that
The immigration issue deeply divides the GOP, and Republican lawmakers are split over what advocates call the cornerstone of any reform effort -- a route to citizenship for the estimated 11 million immigrants in the country without legal status.
Advocates are pushing House Republicans to act before
The vice president's visit to the protesters on the Mall follows similar visits from other administration officials and lawmakers.
Labor Secretary Tom Perez visited the group, as did House Minority Leader
Among those fasting is a top labor leader, Eliseo Medina, the former secretary-treasurer of the Service Employees International Union, who called Biden's visit "inspiring."
"I was humbled and strengthened by his words and commitment to immigration reform," the 67-year-old longtime immigrant advocate said. "He gives me more hope that we can finally address this moral crisis."