Air guitar players wow crowds 

Feb. 23: Even as political opponents step up attacks on his candidacy, Barack Obama draws crowds on the campaign trail, eager to hear his message. NBC's Lee Cowan reports.

Aug. 6: In anticipation of the crowds of tourists coming to Beijing, Chinese authorities are clamping down. NBC’s Richard Engel reports.

April 5: Enormous crowds continue to pack St. Peter's Square to pay their last respects to Pope John Paul II. NBC's Campbell Brown reports.

April 16: Families, priests and church officials are making a spiritual trek to Washington, D.C., to see Benedict XVI on his first visit to the U.S. as pope. TODAY's Natalie Morales reports.

Watch "NBC Nightly News with Brian Williams," providing reports and analysis of the day's most newsworthy national and international events. This video podcast, updated each weekday...

Dec. 9: New polls show Barack Obama virtually neck-and-neck with Hillary Clinton in the early voting states — and that's before Oprah Winfrey joined him on the trail. NBC's Lee Cowan...

Dec. 4: President and Laura Bush speak candidly about their years spent living in the White House and their plans for returning to private live. NBC's John Yang reports.

Jan. 3: Inside McCain's headquarters watching the crowds as McCain arrives.

April 18: Two Duke University lacrosse players are charged with kidnapping and raping an exotic dancer. But how solid is the case against them? NBC's Ron Mott reports.

Aug. 17:  MSNBC's Willie Geist takes a look at the fifth annual Air Guitar Championships.