Jim's interesting presentation is included here: https://uc06142bf16fc218a821f0018b89.previews.dropboxusercontent.com/p/pdf/AAdj2f9VsY-0kyEh7M8vFu3FW0bprC0yjgkkAYxOdMrwreVAm3g3IxAzSlKJYYdQ3AN5XbzZLgWv2-d2G1LRz01qLhCe-BqY3OYTd0kf_wqKn3aXRGCEgrHtFeXGiqlOCwTLMFkppqfiegVtq4lE4kUUvEwNMzvoBrnZZpInSABNzRVoB-Kjeh1arMIPpnV7THw0kk8gfdd8Dmx_2PtH4PGNwkgZ1hk6-K4yrlxnUbAb9ArNNFI9Mqz50xCdnYeffoAglKT-gkQ9368TapKkBxjpMh_kqXRb99_9PskcFxjWtqHp-DDw6LCsF3kZJmy5QSkSNah6TNo79TDyqZjObp6TOQv-l2Ty9A3TYAUfAMx_2zUeDeGB0n1x82oiqi618xhkdYvMcllFIy9T_0kcxz446MRu8CxUv-IRf8O9pKR3QdMnqeTIg1tErEMPJwiQlEN2XTjBgMIJSxCbvxDQP-Ely1Th7G8p-h0WlEfKlzKH1zYelk3m1XmD_hSpOn-G8PObMOYccfEZnSspLt9MJG_u4apZKpwm74I1rSJ_w7GmTWrOws30LHQEpLsrFYMQzwR_rOwge6g7A8Khn1QoqULUlEgQqJZOFS8nGRkp57fLu40wAWUV4hxJp_mHznX7M7IquyuuZmvKnFLwaXfu_cjZUoUloYYgxj2yonu68DR41ESFIDUBYLipqZBpygEm6YTroht3vSc02XUKXIDQ3w72F8Jf0P450OksKPakXfpQnc7mUW8dVE65svF-fVyCRAw1Bh5Fe2o-AUXchRDZ1wL7KCiKa7DROkj_wPFZUwqmcWnoUYbptFvdHSZbWu5U-3_QZdBpi0OToGH7u2oyMc59mwdK9xIfmD-fhCeeUVFUoQpvBXOxaMvx_f6Ad0i2Vc8/p.pdf