2. The top 1% of income earners.
3. The "process" is how gov't funds are appropriated. Congressmen are often criticized for inserting special projects into gov't appropriation bills. These special fund appropriations are called "earmarks." Santorum was saying that not all earmarks are bad and sometimes that is the "process" that one needs to follow to get things funded. He also said that Romney benefited from earmarks when Romney was the Olympic chairman.
4. He may have been simply saying he couldn't understand Santorum's argument because it was so convoluted.
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