Almost. Extra calories put fat on you. Meat requires a lot more energy to metabolize than simple carbs do. More carbs=more calories. If you take in more than your body can use, you will put on weight.
Atkins works by filling you up on things that are harder to digest, there-by evening out the caloric debt load.
Lean heavy on the meat. Stay clear of most procesed foods. Drink plenty of water. Maintain good variety.
Easy-peasy.
No, that's not how it works.
Then it would follow that high-fiber foods such as whole-wheat breads and country-style orange juice would be helpful also.