NEW YORK – Presidential politics move fast. What we’re watching heading into a new week on the 2020 campaign:Days to next set of primaries (New York and Kentucky): 1 Days to general election: 134___THE NARRATIVEPresident Donald Trump's campaign relaunch is off to a rocky start, and his Republican critics are getting louder as coronavirus infections continue to surge.There were thousands of empty seats at the Oklahoma arena where Trump hosted his comeback rally on Saturday, an embarrassing development at an event designed to showcase the Republican president's strength.