The "We The People" Should Use Random Sample Voting - as detailed on the website slashdot.org
"an improved algorithm on the White House's petition-creation site could do away with Death Star petitions and even improve on the existing serious ones.... by making it much harder for an organized online movement to hack the system."
Nutshell: Say I submit a petition.. whitehouse.gov them emails a small random sample of other registered users asking whether or not they're for or against the petition. If it reaches a set threshold of approvals... then re-ask a wider sample of users. Only after the petition makes it through this screening process a few times should it be opened up for everyone to see.
"More generally, random-sample voting will always reveal more useful information...