Lester Holt talks with former Secretary of Defense Leon Panetta about Donald Trump's comments on Russia.
Former U.S. Representative Gabby Giffords was among the victims of gun violence defending Hillary Clinton's stance on gun control.
The 18-year-old man had a fully loaded revolver inside his bag, police say.
Barack Obama entered the national spotlight with his rousing 2004 speech at the Democratic National Convention.
Little of note appears in the alleged voicemails, which NBC News hasn't been able to authenticate and isn't quoting.