By Josh Sisco, Bloomberg Nvidia Corp.’s $20 billion licensing deal with artificial intelligence startup Groq is being probed by a pair of Democratic senators over whether it violates antitrust laws by improperly avoiding a merger review and illegally consolidating its power in the market for AI computing. Senators Elizabeth Warren from Massachusetts and Richard Blumenthal of Connecticut sent Nvidia Chief Executive Officer Jensen Huang a letter on Thursday night, asking for additional information on the deal, which they said appeared to have been structured “to evade scrutiny by antitrust regulators.” In their letter, the senators wrote, “We are concerned that…