The many citations for Friday's show are listed after the jump.
Modern Marvels: St. Lawrence Seaway
Span wasn’t built to take critical hit
Security video captures I-5 bridge collapse
Interstate 5 Bridge Collapses After Being Hit by Truck
Sequestration Hits Memorial Day Events Nationwide
Three big federal agencies to close Friday
4 federal agencies to shut Friday
IRS Gets Friday Off – Without Pay
Lerner Replaced on Acting Basis Day After Not Testifying
IRS news poised to slow — leaving questions of what’s next
IRS Safeguards Toothless in Tea Party Nonprofit Cases
Ken Cuccinelli, seeking governor’s seat, stands to get an edge with Va. GOP’s switch to convention
E.W. Jackson: Pro-Gay Rights Liberals 'Have Done More to Kill Black Folks' than the 'Ku Klux Klan'
The 20 Craziest Tweets From The Man Who Could Be Virginia’s Next Lt Governor
E.W. Jackson a wild card in Va. GOP campaign
McDonnell being investigated over disclosure statements
New documents raise more questions about financing of McDonnell’s daughter’s wedding
Cuccinelli discloses more gifts from Star Scientific CEO
FBI looking into relationship between McDonnells, donor
McDonnell mum on chef’s claims
McDonnell says he’s still able to govern
For Sale: A Video of Toronto Mayor Rob Ford Smoking Crack Cocaine
Geographic Boundaries of United States Courts of Appeals and United States District Courts (pdf)