WASHINGTON, Sept. 13 (UPI) -- A spokesman for U.S. Sen. Barack Obama, D-Ill., says the presidential hopeful will not be able to appear on this weekend's "Saturday Night Live."

WASHINGTON, May 17 (UPI) -- U.S. Sen. Barack Obama plans to wait for the results of the Kentucky and Oregon primaries in Iowa, the state that kick-started his campaign four months ago.

WASHINGTON, April 27 (UPI) -- U.S. Democratic presidential hopefuls Barack Obama and Hilary Clinton say they are growing weary as their campaigns push forward.

BISMARK, N.D., April 6 (UPI) -- Presidential rivals Sens. John McCain and Barack Obama clashed over the Iraq war following comments by an Obama supporter who called McCain a "warmonger."

SCARSDALE, N.Y., Jan. 10 (UPI) -- A 19-year-old business owner from Scarsdale, N.Y., challenged Sen. Barack Obama's use of the "Change Rocks" logo in the senator's presidential campaign.

SPRINGFIELD, Ill., June 21 (UPI) -- A bill moving the 2008 Illinois primary election up by nearly a month was signed into law by Gov. Rod Blagojevich.