NEW DELHI (AP) — President Barack Obama was greeted in India Sunday with an elaborate welcome at the country's sprawling presidential palace, then he solemnly laid a wreath at a memorial honoring the father of India's independence movement, Mahatma Gandhi. Indian Prime Minister Narendra Modi was waiting for Obama at the steps of Air Force One and the two men shared a hug, underscoring the warm relationship they have formed in the short time Modi has been in office. The president and prime minister were to spend much of Sunday holding talks on climate change, defense and economic ties. Obama is also expected to push Modi to make changes to liability legislation in India that has prevented U.S.