Original sentence: A harsh critic of Donald Trump in the 2016 Republican primary, her subsequent editorial comments have defended Trump and expressed concerns about election integrity due to alleged irregularities in the 2020 election which saw Joe Biden prevail in the presidential contest
Edited sentence: A harsh critic of Donald Trump in the 2016 Republican primary, her subsequent editorial comments have defended Trump and promoted unsubstantiated claims of "rigging" of the 2020 election which saw Joe Biden prevail in the presidential contest