WASHINGTON, May 17 (UPI) -- U.S. President Barack Obama and Russian President Dmitry Medvedev have agreed to discuss nuclear issues during a summit in Moscow.

WASHINGTON, May 16 (UPI) -- Catholics who have protested Notre Dame University's commencement invitation to President Barack Obama have received no encouragement from the Vatican.

WASHINGTON, April 10 (UPI) -- President Barack Obama has declined an invitation to throw out the first pitch for the Washington Nationals' home opener, the White House said Friday.

SOUTH BEND, Ind., March 24 (UPI) -- The president of the University of Notre Dame is rejecting criticism by Catholics of an invitation to U.S. President Barack Obama to give a commencement speech.

WASHINGTON, March 18 (UPI) -- That was no echo the audience heard when Irish Prime Minister Brian Cowen spoke at the White House -- it was Cowen delivering U.S. President Obama's speech.

WASHINGTON, Feb. 10 (UPI) -- President Barack Obama's top spokesman said the commander in chief is willing to share a beer with Sean Hannity -- provided the Fox News host is buying.

CHICAGO, Nov. 7 (UPI) -- President-elect Barack Obama Friday said he expected concrete talks when he meets with President George W. Bush at the White House Monday.

EDINBURGH, Scotland, Nov. 2 (UPI) -- The works of Robert Burns are being Twittered as part of the celebration of the Scottish poet's 250th birthday.

EDINBURGH, Scotland, Aug. 9 (UPI) -- A hip flask that once belonged to Scotland’s hard-drinking national poet, Robert Burns, goes on the auction block this month.

AUSTIN, Texas, June 3 (UPI) -- Robert Burns, art director for "Texas Chainsaw Massacre," has died at his Seguin, Texas home at age 60, it was reported Thursday.