The famous Lebanese singer traveled to Syria last week to appear in a six-day run beginning Monday at the Damascus Opera House.
With American goods already flooding Damascus, analysts say lifting restrictions will help counter Iran's influence.
Prime Minister Nouri al-Maliki has vowed to capitalize on security gains to revive the political process in the coming year.
The Arab League's secretary-general flies into Beirut this week in an effort to end the country's presidential stalemate.
An analysis shows that the bulk of them come from countries allied with the US.
Monitor correspondents and experts suggest what to watch for in eight international conflicts.
Who would foreigners like to see at the helm of the world's superpower – a Republican or Democrat?