WASHINGTON — Lawyers who aided former President Donald Trump’s efforts to overturn the results of the 2020 election regarded an appeal to Supreme Court Justice Clarence Thomas as a “key” to their success, according to emails provided to congressional investigators and made public Wednesday.The emails from December 2020 show the lawyers discussing ways to delay the certification of results in Georgia, a closely contested state won by Democrat Joe Biden. One lawyer, Kenneth Chesebro, suggested that an …