Balz: Strap In for Three Crucial Weeks

With VP announcements, conventions and acceptance speeches just around the corner, the WashPost sage says "there has never been quite as concentrated a dose of potentially campaign-altering events" in the modern era.

"For those who revel in the unpredictability of politics, this calendar is ready-made for enjoyment."

Plus: Balz says to expect safe, non-game-changing VP choices with the race this competitive.