Senator John McCain, the leading candidate for the U.S. Republican Party's presidential nomination, is expected to receive another high-profile endorsement Monday in his bid for the White House.

Democrat Barack Obama and Republican John McCain were the big winners Tuesday in presidential primaries in Maryland, Virginia, and the District of Columbia. VOA National Correspondent Jim Malone has the latest on the U.S. presidential race from Washington.

Senator Barack Obama has scored three decisive primary victories, Tuesday over Senator Hillary Clinton, winning big in Maryland, Virginia and Washington, DC in the race for the Democratic presidential nomination. On the Republican side, Senator John McCain has also won all three races, though he faced a stronger than expected challenge from former Arkansas Governor Mike Huckabe in Virginia. VOA Correspondent Cindy Saine reports from Washington.

Barack Obama’s latest string of successes this weekend in the US primaries is more important for its symbolism than its return in delegates, according to Prof Scott Lucas, the director of the think tank Libertas at the University of Birmingham.

The focus of the U.S. presidential race shifts to the mid-Atlantic region of the country Tuesday, with nominating primaries in Maryland, Virginia and Washington, D.C. VOA National correspondent Jim Malone has a preview.

U.S. Senators Hillary Clinton and Barack Obama, in a tight race for the Democratic Party's presidential nomination, look to score decisive victories in three contests Saturday.

U.S. Senator John McCain is focusing his sights on the November presidential election, now that his major rival for the Republican Party nomination, former Massachusetts Governor Mitt Romney, has suspended his campaign.

President Bush has urged his conservative base to unite in order to keep Republican control of the White House in the November elections.

Former Massachusetts Governor Mitt Romney has dropped his bid for the Republican nomination to the U.S. presidency.

In yesterday’s primaries, Senator John McCain surged ahead of his Republican rivals by winning nine states, including three of the most populous -- California, New York and Illinois. Democratic senators Hillary Clinton and Barack Obama each scored key victories.

Senators Hillary Clinton and Barack Obama are preparing for a long campaign after splitting victories in the Super Tuesday contests for the Democratic presidential nomination. On the Republican Party side, John McCain surged ahead of his rivals, Mitt Romney and Mike Huckabee, who are still in the race. VOA Correspondent Cindy Saine reports from Washington.

With former first lady and New York Senator Hillary Clinton and Illinois Senator Barack Obama still waging strong, rival campaigns for the Democratic Party's nomination to be President, experts say there is a good chance American voters will elect the first female or first African American president this November.