Brian Williams anchors #NBCNightlyNews live from Havana tonight as the highest-level U.S. delegation in decades arrives in Cuba | NBC Nightly News with Tom Llamas

TONIGHT: Lester Holt anchors NBC Nightly News live from Miami ahead of this week's Democratic debates. https://nbcnews.to/2xcVhSG Tune in at 6:30 ET / 5:30 CT on NBC (check your local listings). | NBC Nightly News with Tom Llamas

Uprooted trees and flooding are serious concerns in Wilmington, North Carolina, as rescues are underway. Kate Snow anchors NBC Nightly News live from North Carolina tonight, and we'll have full team coverage of Tropical Storm Florence. For the latest: www.nbcnews.com/Florence | NBC Nightly News with Tom Llamas

Watch NBC Nightly News with Lester Holt every Tuesday for our Snapshot – unique stories of talented and passionate Americans. | NBC Nightly News with Tom Llamas

Bernie Sanders on Mike Bloomberg: "I got a real problem with multi-billionaires literally buying elections." More of Sanders' interview with Lester Holt plus full coverage of #NHprimary2020, tonight on NBC Nightly News with Lester Holt. | NBC Nightly News with Tom Llamas

TONIGHT: Lester Holt sits down with former FBI Director James Comey in his first interview since the Mueller report was completed. Watch on NBC Nightly News with Lester Holt. | NBC Nightly News with Tom Llamas