The support of the 1.8-million-member Service Employees International Union could boost his efforts to overtake Hillary Clinton in Ohio and Texas
One SEIU official, speaking on condition of anonymity because they were not authorized to speak to the media, told the Associated Press that Obama was "99 percent" likely to get the endorsement.
Thursday, Obama won the support of the United Food and Commercial Workers
According to the Associated Press, the 1.3-million member UFCW has 69,000 members in Ohio and another 26,000 in Texas and also has 19,000 members in Wisconsin, which holds a primary Tuesday. The union is made up of supermarket workers and meatpackers, with 40 percent of the membership under 30 years old. Obama has been doing especially well among young voters.