welcome to the lead. i m jake tapper. this hour, the new study linking a popular diet to a higher risk for heart itdisease. what you need to know about the meal plan approximately 1 in 5 americans are following. plus, this hour the mississippi state senate will begin debating a bill that critics describe as a 21st sureaurearch century version of crow. and former vice president mike pence has asked a judge to block a federal grand jury subpoena compelling his testimony about january 6th. pence s attorney say the subpoena should be blocked because he was acting as president of the senate that day and is therefore protected by the speech and debate clause,