(Bloomberg) — When President Donald Trump joined tech executives on Tuesday to tout a multibillion-dollar artificial intelligence project led in part by OpenAI, one question sprang to mind: Where’s Microsoft Corp.?Most Read from BloombergTexas HOA Charged With Discrimination for Banning Section 8 RentersHow Sanctuary Cities Are Preparing for Another Showdown With TrumpDonations to LA Fire Victims Rise Past $200 Million MarkNY’s Hochul Calls for Law Banning Cell Phone Use in SchoolsLA Schools Wr