By Carla Hintonand Carmen FormanStaff writersPresident Donald Trump heeded calls for sensitivity — including one from U.S. Sen. James Lankford — in changing the date for his Tulsa campaign rally, rather than staging the event on the same day that marks the end of slavery near the site of one of the nation's worst racial atrocities.In a series of tweets late Friday, Trump announced he was rescheduling the rally to June 20 out of respect for the Juneteenth holiday on June 19, which is observed by many Black communities around the country."We had previously scheduled our #MAGA Rally in Tulsa, Oklahoma, for June 19th – a big deal," Trump tweeted.Read more on NewsOK.com