How could that uncertainty fail to rile anyone with health care they like?
Michael Tomasky says they can't win the swing vote, so they're going with Plan B: rile up the base.
Sheikh Hamza, however, refused to join in and rile up the people.
1825, American English spelling alteration to reflect a dialectal pronunciation of roil (q.v.); cf. heist from hoist and in the same era spile for spoil (v.). Bartlett writes that in both England and America roil "is now commonly pronounced and written rile" ["Dictionary of Americanisms," 1848]. Related: Riled; riling.