 Aim 1.3: To compare HbA1c levelsglycated hemoglobin before and after 12 weeks of treatment with 0.6, 1.2 and 1.8 mg of liraglutide daily Hypothesis 2: Treatment with Liraglutide in patients with type 1 diabetes decreases postprandial glucagon concentrations and increases postprandial C-peptide concentrations. 