Senate Republicans believe president signaled shift from earlier refusal to negotiate, according to media reportsSign up for the Breaking News US emailMarco Rubio, the secretary of state, is scheduled to testify in a federal court on Tuesday in the trial of former Florida congressman, David Rivera, who is accused of secretly lobbying for Venezuela’s socialist government during Donald Trump’s first presidency.Rubio and Rivera are longtime friends, having worked together in Florida state politics. It will mark the first time in more than four decades that a sitting cabinet member testifies in a criminal trial. Continue reading...