Today’s Twitter lesson: “Some 1,271 government organizations and 1,931 private companies work on programs related to counterterrorism, homeland security and intelligence in about 10,000 locations across the United States,” and yet those combined forces were no match for one man who boarded a plane while wearing potentially lethal underpants.

~ Iowa Rep. Ako Abdul-Samad, Democrat

~ Former Iowa Rep. Chris Rants, Republican

~ Chet Culver & Patty Judge 2010 Gubernatorial Re-Election Campaign

~ George Stephanopoulos, chief political correspondent with ABC News

~ Greg Hauenstein, Iowa media producer & Democratic strategist

~ Johnson County Supervisor Janelle Rettig, Democrat

~ Matt Gronewald, Iowa House Majority Fund Director for the Republican Party of Iowa

~ Paul Yeager, producer/host with Iowa Public Television

~ Roxanne Conlin, Democratic candidate for U.S. Senate

~ Brad Zaun, Republican candidate in Iowa’s 3rd District