President Obama will sign the Patient Protection and Affordable Care Act at 11:15 A.M. EST.

You can watch it live at the White House web site.

Jake Tapper reports that the president will use 20 pens to sign the bill, and that one each will go to POTUS will Democratic Senators Reid, Durbin, Baucus, Harkin, and Dodd; along with Representatives Pelosi, Hoyer, Clyburn, Miller, Waxman, Levin, Dingell, and Rangel. Pens will also go to Vice-President Biden, H&HS Secretary Sebelius, White House legislative affairs assistant Phil Schiliro, White House health policy chief Nancy-Ann DeParle, Vicki Kennedy, and Sr. Carol Keehan.