Texas Democrats stage a dramatic walk-out to block a Republican crackdown on voting rights. Tensions mount between Washington and Moscow after an arms control pact falls apart. Plus special guest "Dog Whisperer" Cesar Millan reveals why Major Biden is struggling to adjust to life in the White House.

Biden v Putin: strategic success or Cold War chill? We ask former National Security Adviser John Bolton. Plus the dangerous precedent of the "miracle" new Alzheimer's drug that might not be such a miracle after all.