But he now faces the sharpest challenge of all the Reagan era nominees.
This week's demonstrations have been the sharpest challenge to the king's rule since the start of the Arab Spring revolts.
Adopted in March, the law was the sharpest challenge yet to the standard set by the Supreme Court.
The law, the sharpest challenge yet to Roe v. Wade, was passed by the newly Republican-controlled legislature over the veto of Gov. Mike Beebe, a Democrat, who called it "blatantly unconstitutional".
Set off by the sentencing of 21 Port Said soccer fans to death, the rioting was the sharpest challenge yet to the efforts of Egypt's new Islamist rulers to re-establish order after the two years of turmoil that have followed the overthrow of Hosni Mubarak, Egypt's autocratic president.
HOUSTON — In the sharpest challenge yet to the surge in flaring of natural gas in the Bakken shale oil field, North Dakota mineral owners this week filed 10 class-action lawsuits seeking millions of dollars in lost royalties from some of the nation's largest oil companies.
As voting began this weekend, Michael R Young's manual on the sharp-toothed challenges of modern dentistry seemed appropriately to be slaying the competition, securing 70% of votes cast.
