Washington ? Rep. Robert Wexler is taking on the Bush administration – in cyberspace.

The Florida Democrat has launched a Web site – www.wexlerwantshearings.com – and is gathering signatures calling for impeachment hearings against Vice President Dick Cheney.

“Our constitution mandates that the House of Representatives hold presidents and vice presidents accountable when they commit high crimes,” Wexler says in a video on the site, which suggests, among other things, that Cheney manipulated intelligence to boost the case for war against Iraq and was involved in the outing of CIA agent Valerie Plame.

Within two days of posting, Wexler said he had surpassed his goal of 50,000 signatures and is aiming for 250,000. He’s written an op-ed article with two fellow members of the House Judiciary committee, calling for hearings into whether Cheney violated the Constitution.

Though the push is, as Wexler acknowledges, a “huge uphill battle” because House leadership has not been interested, the quest has made him a favorite of left-leaning activists.