Ronald Reagan's son seeks memorial for 1987 speech urging the Berlin Wall be torn down

Former U.S. presidents John F. Kennedy and Ronald Reagan both made landmark Cold War speeches in Berlin, but while Kennedy is remembered with a city square, a museum and a school, traces of Reagan are harder to find.

Michael Reagan, his son, hopes to change that.

Reagan wants Berlin to build a memorial to his father, who as U.S. president from 1981-1989 exhorted Soviet President Mikhail Gorbachev to tear down the Berlin Wall.

In a June 12, 1987 speech at the Brandenburg Gate, Ronald Reagan stood before throngs of West Berliners in front of the wall and implored Gorbachev to end the Cold War.

"Mr. Gorbachev, open this gate," …