By RFE RL
(RFE/RL) — President Barack Omama has announced he is running for a second term as U.S. president.
Obama launched his 2012 reelection campaign with an announcement on his website.
In an e-mail to supporters, Obama urges them to mobilize again to protect the change he has brought in his first term.
A launch video on the site features supporters from around the country discussing their support for the Democratic president.
Obama is expected to file the necessary paperwork with the Federal Election Commission later this week.
Advisers have said they hope the campaign will raise an unprecedented $1 billion for the race.