Sen. Ted Cruz says it will be “extreme” Democrats who rejected a single “penny” for border security who are to blame if the federal government shuts down. The Texas Republican told reporters on Friday that a “Schumer shutdown” will occur if the New York senator and his allies reject any compromise on border security funding. “The president was unequivocal this morning,” Mr. Cruz told reporters. “If Chuck Schumer and the Democrats adopt an extreme line, that they’re not willing to give a penny for border security, then Schumer will go forward and shut the government down. That would be an...