Whether you believe Mitt Romney should be President depends on what you believe are his objectives. If you believe he will say and do whatever to gain and keep the office of President, he should not be elected. On the other hand, If you believe he will always do what he believes is best for the country, vote for him for President.
"Nearly four decades ago at Harvard, Mr. Romney embraced an analytical, nonideological way of thinking, say former classmates and professors, one that both matched his own instincts and helped him succeed. On a campus ripe with political and social ferment, he willfully distanced himself not only from politics, but also from larger ideological frameworks and heated debates." At Harvard, A Master Problem Solver, Jodi Kanton, New York Times, December 24, 2011Mr. Romney has a track record of identifying and solving problems. The issue is what does he define as the primary problem. Doing the right thing for the country can be at odds with retaining the office of the Presidency. The two objectives can be mutually exclusive. Which one will he choose; that is the question.