NEW : ` ` This works . We know it works , '' Obama says at preschool near home . The president calls for expanded early education in his State of the Union address . In Chicago , he 'll speak about the economy and the city 's rampant gun violence . It is the second of three straight days of speeches outside Washington to tout his proposals . Obama and Congress are in a fierce debate over education spending .
NEW : ` ` This works . We know it works , '' Obama says at preschool near home . The president calls for expanded early education in his State of the Union address . It is the second of three straight days of speeches outside Washington to tout his proposals . Obama and Congress are in a fierce debate over education spending .