In the hours before his arrest, as federal authorities secretly accumulated evidence, Cesar Sayoc was in his element: spinning classic and Top 40 hits in a nightclub.
Investigators say the devices are similar to the crude pipe bombs sent to Barack Obama, the Clintons, George Soros and others.
The president lends support to Dean Heller, considered the most vulnerable GOP senator on the Nov. 6 ballot, while Biden promotes Heller's challenger, Democratic Rep. Jacky Rosen.
The president calls Rep. Greg Gianforte a "great guy, tough cookie," earning cheers and laughter from Missoula rallygoers.
In a free-wheeling conversation, the president defends arms sales to Saudi Arabia and proclaims Brett Kavanaugh "innocent."
At a crowded church service in Phoenix, former Vice President Joe Biden says he remembers the senator as a brother and an adversary in "a lot of family fights." McCain's longtime chief of staff recalls his wicked sense of humor.
The Vermont senator has a 12-point advantage on the president, according to Politico/Morning Consult findings.
The California Democrat, the only Holocaust survivor ever to serve in Congress, died in 2008. He was known for his advocacy for democracy and human rights around the world.