4:50 p.m. Sen. Pat Toomey, R-Pa., joins.
4:59 p.m. Paul reads from "Alice in Wonderland."
5:14 p.m. Senate Minority Whip John Cornyn, R-Tex., joins.
5:47 p.m. Paul says Obama "ran as the guy with the real moral umbrage at what President Bush was doing and in the end he's taking presidential power to a new level beyond what President Bush could have ever imagined."
6:13 p.m. Paul takes a bite from a small candy bar and struggles when a string of filling hangs from his mouth.
7:11 Sen. Richard Durbin, D-Ill., tells Paul they will schedule a hearing on drone strikes. Paul says he wants Democrats to guarantee a vote on a non-binding resolution expressing opposition to drone strikes on U.S. territory.
7:27 p.m. Cruz reads tweets supporting the filibuster.
9:16 p.m. Sen. John Barrasso, R-Wyo., joins.
11:13 p.m. Rubio quotes from hip-hop artists Wiz Khalifa and Jay-Z, whom he calls "modern-day poets," and from the movie "The Godfather."
11:25 p.m. Senate Minority Leader Mitch McConnell, R-Ky., joins for the first time and says he will oppose bringing to a vote Brennan's nomination until Paul's question is answered. "Should cloture be invoked, I intend to oppose the nomination and congratulate my colleague from Kentucky for this extraordinary effort," McConnell said.
12:38 a.m. Paul closes his remarks: "I would go for another 12 hours to try to break Strom Thurmond's record, but I've discovered that there are some limits to filibustering and I'm going to have to go take care of one of those in a few minutes here." The chamber (or what's left of it) erupts in laughter.
12:39 a.m. Paul yields the floor, earning a round of applause.