Trial witness bombshell 'directly implicated' Trump in scheme to lie to Congress: expert

The last case that former federal prosecutor Andrew Weissmann worked on involved a key piece of the Russia probe investigated by special counsel Robert Mueller and his team. Among the things that Weissmann sorted through was testimony and information about Donald Trump's possible deal with a Moscow project.

Speaking to MSNBC's Nicolle Wallace after the second day of cross-examination of Michael Cohen, Weissmann pointed out a bombshell comment that he says is very harmful to Trump in a different matter.