A key US senate clearance is the last step in the confirmation of Eric Garcetti as Ambassador to India. The Biden administration has stuck to its decision of nominating Mr Garcetti despite objection in the past. Mr Garcetti is now very close to flying to New Delhi to take up his assignment, just months before a proposed visited by Prime Minister Narendra Modi to the US. Who is Mr Garcetti and why did it take so long for his name to be cleared?