1. Introduction

2. The Sample

3. Observations and Analysis
3.1. Observational Setup and Procedure
3.2. Data Reduction
3.3. Data Analysis

4. Results
4.1. Close Multiples
4.2. Multiple Systems Separated by > 500 AU
4.3. Multiplicity Statistics
4.4. Separation Distribution
4.5. Constraining the Functional Form of the Separation Distribution
4.6. Extragalactic Background Estimation

5. Discussion
5.1. Origin of the Bi-modal Separation Distribution
5.2. Multiplicity Evolution
5.3. Evidence for Disk Fragmentation
5.4. Orientation of Multiple Systems
5.5. Comparison to T Tauri Multiples in Taurus
5.6. Nature of 8 mm and 1 cm Emission

6. Conclusions