Complex sentence: As a White House correspondent, Ryan has covered four presidential administrations, but she gained notoriety in 2017 after notable exchanges with President Donald Trump and his press secretary Sean Spicer.
Split into simpler sentences: As a White House correspondent, Ryan has covered four presidential administrations. Following the election of President Donald Trump, Ryan gained notoriety in 2017 after notable exchanges with him and his press secretary Sean Spicer.