congressional republicans sent subpoenas to three high tech companies. democrats say the gop lawmakers are wasting time and money on fruitless investigations. also the state department is vetting nearly 15,000 clinton e-mails and will release them. >>> demanding a special prosecutor to investigate hillary clinton. clinton foundation. foundation supporters were given special access to clinton while she was secretary of state. trump says he's concerned about possible pay for play deals. >> the justice department is required to appoint an independent special prosecutor because it has proven itself to be really, sadly, a political arm of the white house. >> trump canceled thursday's planned speech on modified. but trump did insist yesterday he still wants to build a wall at the mexican border. >>> still to come, a life-saving