Introduction

On today's podcast:

1) Donald Trump tightened his grip on the Republican presidential nomination after Iowa voters delivered him a victory in Monday’s caucuses and moved him one step closer to returning to the White House.

2) Microsoft Corp. Chief Executive Officer Satya Nadella said while he wants consistency and good governance at partner OpenAI, he’s not worried about the company’s nonprofit structure and doesn’t want greater control over his partner.

3) Slashed earnings estimates are creating the optimal platform for US companies to beat expectations this earnings season, according to Morgan Stanley’s Michael Wilson.

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