Former Republican presidential candidate Ted Cruz returned to his job in the U.S. Senate on Tuesday with a warning to Washington that the turbulent primary race was a wake-up call. "All across this country people are hungry for change. This election cycle should be a wake-up call to Washington, D.C.," the senator from Texas said outside his office. "The frustration and volcanic anger with Washington was echoed throughout this election." Presumptive Republican nominee Donald Trump and Democratic U.S. Senator Bernie Sanders have upended expectations in their respective presidential campaigns, tapping into voter anger at establishment politicians in Washington. Cruz, a...