Pelosi vs. Reid - Jonathan Chait
'The accidental politician' - Robert Costa, The Corner
More developments in S.C. Senate primary - Tom Schaller, FiveThirtyEight
Social Security in the red - Kathryn Nix, The Foundry
Tom Graves, the newest member of the House - Carl Hulse, The Caucus
Energy, the final legislative frontier - Chris Bowers, Open Left
Understanding the Tea Party - Andrew Sullivan, The Atlantic
Meet Etheridge's opponent - Moe Lane, Red State
A modest tax proposal - Kevin Drum, MoJo
Mistaken identity in S.C.? - Victorina Matus, Weekly Standard
Did BP 'shortcuts' cause the spill? - Bradford Plumer, The Vine
Ala. campaign ad of the day - Allahpundit, Hot Air
Ariz. now wants to re-write Constitution - Barbara Morrill, Daily Kos

Dems turn up heat on BP execs - The Hill
W.H. tries to keep employers from dropping insurance - The Hill
Efforts to repel oil spill called chaotic - NYT