1. TOPOLOGICAL DEFECTS RICHARD BATTYE JODRELL BANK OBSERVATORY UNIVERSITY OF MANCHESTER - AN ADDITIONAL SOURCE OF B-MODE FLUCTUATIONS ?

2. NOT THE PRIMARY SOURCE STRINGS INFLATION

3. WELL MOTIVATED MODELS OF INFLATION PREDICT STRINGS (SUSY) HYBRID INFLATION BRANE INFLATION BOTH NATURALLY PREDICT G  ~ 10 -(6-7) F-TERM INFLATION D-TERM INFLATION STRINGS FORM DURING WATERFALL TRANSITION MOTIVATED BY STRING THEORY

4. CURRENT STATUS (Battye, Garbrecht & Moss 2006) DEGENERACY BETWEEN n S - G 

5. B-MODE SPECTRA LENSING STRINGS WITH G  x10 -7 r=0.1 r=0.01 r=0.001

6. ALTERNATIVE WINDOW ON GUT SCALE EG EG Eg. SUSY F-TERM INFLATION