intervention in venezuela, but graham warned the president that could be problematic. and florida senator marco rubio agrees with him on that. >> i don't know if anyone is calling for military intervention. what i'm calling for is the constitution to be followed, for venezuela to follow the constitution they swore allegiance to, to let guaido to be acting president until they can elect a new president. in any instance, they need to protect their national security. i'm not calling for intervention because i don't know who is calling for that. >> more ahead on this escalating standoff coming up. michael bloomberg warning against an independent run, saying it will help reelect president trump. his warning coming as former starbuck's ceo warns he may join in as an independent candidate.