The star witness in ex-President Donald Trump’s hush money trial admitted he lied to Special Counsel Robert Mueller during Tuesday’s fiery cross-examination by the defense. Michael Cohen, 57, first described his testimony to Mueller regarding his travels to Prague and deals with the Russians in an effort to interfere in the 2016 election as “untruthful” and “inaccurate,” when pressed by Trump defense attorney Todd Blanche, Politico reported. Later on, he admitted, “I’ll say it’s a lie.” Cohen confessed he lied to authorities on several occasions, citing his loyalty to Trump. “I was being decep…