What do you think of the proposed soda tax?

Links:
Soda Tax Weighed to Pay for Health Care and
Time for Soda Tax? Backers Want to Cut Obesity, Aid Budgets

Do you think that it’s appropriate for the government to attempt to influence people’s dietary choices in this way?
Do you think that the proposed tax is unfair to those with lower incomes?
Do you think that this is something that should have happened a long time ago?
Do you think that such a tax would have a positive impact on the health of the people, or would people simply waste more of their money on soda?
Do you think that it’s important/right/wrong to tax bad habits?
Do you think that Obama’s proposed health care changes require or would benefit from this type of tax?