Donald Trump’s boast that he would be more than willing to testify at his upcoming hush money trial was greeted by a great deal of skepticism by one of his former lawyers on Saturday morning. During an extended interview on MSNBC’s “The Weekend,” former Trump lawyer Michael Cohen blew a hole in the idea that it would be a good thing for the former president to take the stand as he faces 34 felony counts related to paying off adult film star Stormy Daniels before the 2016 election. Speaking with the hosts, Cohen pointed out the simple fact that Trump is never a good witness when put under oath,…