Today's discussions:Rev. Al Sharpton, NYT columnist Michelle Goldberg, GOP strategist Tim Miller, and NBC's Heidi Przybyla on Trump's take on Senator Kamala Harris and the rest of the Democratic competition;Rev. Al Sharpton, NYT columnist Michelle Goldberg, GOP strategist Tim Miller, and NBC's Heidi Przybyla on how even though he's president, Trump is always thinking about his business;NYT's Matt Apuzzo, former US attorney Joyce Vance, NBC's Heidi Przybyla and Ken Dilianian on Trump adding to the conflicting accounts of how long a deal to build a Trump Tower in Moscow had been going on;NYT's Matt Apuzzo, former US attorney Joyce Vance, NBC's Heidi Przybyla and Ken Dilianian on the president's wide-ranging interview with The New York Times where he discusses his role in the Mueller investigation.