Trump lawyers vie to discredit key witness Cohen at trial
                        
                                                    
                                
                                
                                
                                
                                
                                    Donald Trump's lawyer took cracks at key witness Michael Cohen during wide-ranging cross-examination Thursday, questioning his memory and poking at his credibility during the first criminal trial of a former US president.                                
                            
                        
                        
                                                    
                        
                        
    
    
        
            
            
        
        
    
                        
                            Donald Trump's lawyer took cracks at key witness Michael Cohen during wide-ranging cross-examination Thursday, questioning his memory and poking at his credibility during the first criminal trial of a former US president.