2008 Democratic National Convention: Tuesday

Sen. Hillary Rodham Clinton, with daughter Chelsea, who introduced her at the Democratic National Convention.  (Jay L. Clendenin / Los Angeles Times)

Sen. Hillary Rodham Clinton addresses the Democratic National Convention.  (Jay L. Clendenin / Los Angeles Times)

Barack Obama, in Billings, Mont., watches Sen. Hillary Rodham Clinton’s speech at the Democratic National Convention.  (Emmanuel Dunand / AFP/Getty Images)

Los Angeles Mayor Antonio Villaraigosa, center, listens to Sen. Hillary Rodham Clinton’s speech from a private box at the Democratic National Convention. With him is former President Clinton.  (Jay L. Clendenin / Los Angeles Times)

Former President Carter greets Michelle Obama, the candidate’s wife, at the Democratic National Convention.  (Tannen Maury / EPA)

Former President Clinton greets people at the Democratic National Convention.  (Win McNamee / Getty Images)

Former Virginia Gov. Mark Warner acknowledges the crowd at the Democratic National Convention.  (Stan Honda / AFP/Getty Images)

Former Virginia Gov. Mark R. Warner is joined by his family after delivering the keynote address at the Democratic National Convention.  (Jay L. Clendenin / Los Angeles Times)

Michelle Obama, left, wife of presumptive Democratic nominee Barack Obama, with Sen. Joe Biden and his wife, Jill, at the Democratic National Convention.  (Win McNamee / Getty Images)

Federico Pena, a former secretary of Energy and Transportation under President Clinton, speaks at the convention.  (Paul Sancya / Associated Press)

Sen. Barbara Boxer of California addresses delegates.  (Charlie Neibergall / Associated Press)

Rep. Xavier Becerra (D-Los Angeles) gets his turn onstage at the convention.  (Paul Sancya / Associated Press)

Kansas Gov. Kathleen Sebelius before addressing the Democratic National Convention.  (Paul Sancya / Associated Press)

Michelle Obama was joined by presumptive Democratic vice presidential nominee Joe Biden as she hosted an event titled “Economic Roundtable with Governors and Working Women” at the Colfax Events Center in Denver.  (Jay L. Clendenin / Los Angeles Times)

Obama and Biden embrace at the event focusing on economics.  (Jay L. Clendenin / Los Angeles Times)

An audience of mostly women, including Joe Biden‘s sister Valerie Owens, second from left, daughter Ashley, third from left and wife Jill, fourth from left, filled the Colfax Events Center to hear Michelle Obama.  (Jay L. Clendenin / Los Angeles Times)

Reporters work on laptops at the Colfax Events Center during the Michelle Obama roundtable on economics.  (Jay L. Clendenin / Los Angeles Times)

A Secret Service member surveys the venue where Michelle Obama’s event took place.  (Jay L. Clendenin / Los Angeles Times)

Secret Service members stand at the base of the stage where Michelle Obama spoke.  (Jay L. Clendenin / Los Angeles Times)

Michelle Obama sits with Joe Biden at the economics roundtable event she hosted.  (Jay L. Clendenin / Los Angeles Times)

Michelle Obama poses with presumptive Democratic vice-presidential nominee Joe Biden and his wife, Jill, during Obama’s event titled “Economic Roundtable with Governors and Working Women.”  (Jay L. Clendenin / Los Angeles Times)

Members of the American GI Forum stand on stage before the first session of the second day of the Democratic National Convention at the Pepsi Center in Denver.  (Justin Sullivan / Getty Images)

Mayor of Atlanta Shirley Franklin speaks during the call to order on the second day of the convention.  (Win McNamee / Getty Images)

New York Governor David Paterson speaks at the Pepsi Center.  (Justin Sullivan / Getty Images)

A man sports a flag hat on the floor of the Democratic National Convention.  (Win McNamee / Getty Images)

A woman is arrested during an anti-abortion protest during the Democratic National Convention in Denver.  (Jeff Chiu / Associated Press)

Luchy Secaira, an at-large Florida delegate, wears pins supporting Sen. Hillary Clinton (D-NY) during the second day of the Democratic National Convention in Denver.  (Chip Somodevilla / Getty Images)

Delegate Helen McClain, of Dubuque, Iowa, wears buttons supporting Sen. Clinton, who is scheduled to speak tonight.  (Chris Carlson / Associated Press)

Clinton hugs daughter Chelsea during a podium tour at the Democratic National Convention.  (Ron Edmonds / Associated Press)