ahead this hour on cnn newsroom. in its most aggressive move yet, the house january 6th committee officially serves former u.s. president donald trump with a subpoena for documents and testimony about the insurrection. russia s alleged use of iranian-made drones to attack ukraine has some western nations calling for an investigation on the suppliers. we ll tell you all about moscow s cooperation with tehran. also in iran, a teachers union is calling for a nationwide strike over the recent deaths and detention of students around the country, adding to what has been more than a month of women-led protests against iran s violent crackdown. former u.s. president donald trump has now been officially served with a subpoena to testify before the january 6th committee. in a series of high-profile hearings this year, the committee documented mr. trump s failed quest to overturn his election defeat, culminating in the violent and deadly attack on the u.s. capitol. the committee
ahead this hour on cnn newsroom. in its most aggressive move yet, the house january 6th committee officially serves former u.s. president donald trump with a subpoena for documents and testimony about the insurrection. russia s alleged use of iranian-made drones to attack ukraine has some western nations calling for an investigation on the suppliers. we ll tell you all about moscow s cooperation with tehran. also in iran, a teachers union is calling for a nationwide strike over the recent deaths and detention of students around the country, adding to what has been more than a month of women-led protests against iran s violent crackdown. former u.s. president donald trump has now been officially