Roberta joins Congresswoman Nydia Velazquez (D-NY) at an Obama Rally, Genoa Park, Columbus, Ohio, October 4, 2008

Roberta, Jim and Congressman Neil Abercrombie (D-HI), Obama Rally, Genoa Park, Columbus, Ohio, October 4, 2008

Roberta stops by Barnes and Noble in Easton Center, Columbus, Ohio, to say "Hello" to former Arkansas Governor Mike Huckabee, December 2, 2008

Roberta and Jim enjoy lunch with former Ohio Governor Bob Taft and his wife, Hope, at Clifton Mill, Clifton, Ohio, December 20, 2008

Roberta with Jill and Joe Biden, Hart Senate Office Building, Washington, D.C., January 6, 2009

Roberta gets an autograph from U.S. Senator Kent Conrad (D-ND), Hart Office Building, Washington, D.C., January 6, 2009

Roberta shares a moment with U.S. Senator Bob Casey (D-PA), Hart Office Building, Washington, D.C., January 5, 2009

Roberta chats with U.S. Senator Ben Nelson (D-NE), Russell Office Building, Washington, D.C., January 6, 2009

Nelson is a former Governor of Nebraska.

Roberta listens in on U.S. Senators Chuck Schumer (D-NY) and Mark Warner (D-VA), Russell Office Building, Washington, D.C., January 6, 2009

Roberta meets U.S. Senator Chuck Schumer, Russell Office Building, Washington, D.C., January 6, 2009

Roberta greets U.S. Senator and Majority Leader Dick Durbin (D-IL), Russell Office Building, Washington, D.C., January 6, 2009

Roberta is greeted by U.S. Senator Tom Harkin (D-IA) at his Reception, Russell Office Building, Washington, D.C., January 6, 2009

Roberta meets new U.S. Senator Tom Udall (D-NM), Russell Office Building, Washington, D.C., January 16, 2009

Roberta with CNN Correspondent Dana Bash, Russell Office Building, Washington, D.C., January 6, 2009

Roberta and U.S. Representative Mary Jo Kilroy get distracted at a healthcare reform rally, State Fairgrounds, Columbus, Ohio, September 1, 2009

Roberta discusses Three Cups of Tea with author Greg Mortenson, Mershon Auditorium, Columbus, Ohio, October 6, 2009

Roberta and Lianna with Bob Woodward and Carl Bernstein, Ohio Union, Columbus, Ohio, April 28, 2010

Roberta meets noted Chilean author Isabel Allende, National Book Festival, Washington, D.C., September 25, 2010

Roberta with NPR journalist Michele Norris, National Book Festival, Washington, D.C., September 25, 2010

Roberta and Pulitzer Prize-winning historian, Stacy Schiff, National Book Festival, Washington, D.C., September 25, 2010

Roberta and astronaut Robert Clyde "Bob" Springer watch the last launch of Space Shuttle Discovery, Kennedy Space Center, Florida, February 24, 2011

Springer was a Mission Specialist on STS-29 in 1989 and STS-38 in 1990.

Roberta meets Fox News commentator Juan Williams, Wexner Center, Ohio State University, Columbus, Ohio, March 1, 2011