The five stories you need to read before starting your commute:

Terror plot foiled: U.S. Attorney General Eric H. Holder Jr. and FBI Director Robert S. Mueller III address an alleged Iran-backed terror plot. (Win McNamee/Getty Images)

Iran behind alleged terrorist plot, U.S. says. U.S. officials said Tuesday that they had foiled an elaborate terrorist plot backed by factions of the Iranian government aimed at assassinating the Saudi ambassador to Washington. (Who is Adel al-Jubeir?)

Six protesters were arrested in the Hart Senate Office Building Tuesday, U.S. Capitol Police reported. The protesters were said to be affiliated with the “Occupy DC” demonstration.

The gap between the “haves” and “have-nots” is widening in Virginia. The wage gap has hit a 30-year high, a report released Tuesday said. The top 10 percent of wage earners in Virginia now make almost six times as much as those in the bottom 10 percent.

Montgomery County, meet your sister city. Salvadoran immigrants in Montgomery County have inspired a sister city agreement between Montgomery and Morazan, a region in the northeastern part of El Salvador that borders Honduras.

Passenger who stabbed bus driver early Tuesday is identified. Victor McEachin, 52, of Silver Spring has been charged with first-degree assault, second-degree assault and possession of marijuana.

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