NASSER KARIMI and JON GAMBRELL
Associated Press
TEHRAN, Iran (AP) — Iran on Monday broke further away from its collapsing 2015 nuclear deal with world powers by doubling the number of advanced centrifuges it operates, linking the decision to U.S. President Donald Trump's withdrawal from the agreement over a year ago.
The announcement — which also included Iran saying it now has a prototype centrifuge that works 50 times faster than those allowed under the deal — came as demonstrators across the country marked the 40th anniversary of the 1979 U.S. Embassy takeover that started a 444-day hostage crisis.
By starting up these advanced centrifuges, Iran further cut into the one year that experts estimate Tehran would need to have enough material for building a nuclear weapon — if it
