By Daniel Strauss and Bob Cusack - 04/10/12 08:45 PM EDT
Rick Santorum’s presidential campaign certainly exceeded expectations, but stumbles at key moments prevented the former senator from defeating Mitt Romney for the 2012 Republican nomination.
At different points in 2011, Santorum appeared frustrated as flawed candidates such as Herman Cain, Rick Perry, Newt Gingrich and Michele BachmannMichele BachmannTrump says 2016 is the GOP's last chance to win Bachmann: Clinton will prosecute churches and nonprofits The Hill's 12:30 Report MORE grabbed the mantle of the conservative alternative to Romney. With the exception of Gingrich, they all fell as quickly as they shot up the polls.
The bottom line: Santorum famously exclaimed, “Game On!” following his strong showing in Iowa. But when the spotlight was especially bright, he didn’t shine.
The following are the five reasons why Santorum fell short: