NEW DELHI: US Secretary of State Marco Rubio on Saturday (May 23) invited Indian Prime Minister Narendra Modi to Washington, reaffirming the importance of a relationship that has come under growing strain, a week after the United States held a warm summit with China.After joining President Donald Trump in Beijing a week ago, Rubio – visiting both Asian powers for the first time – flew to New Delhi and saw Modi for more than an hour, inviting the premier to visit the White House soon.Rubio "underscored the strategic importance of the US-India partnership, rooted in our shared democratic, profound economic…