GREECE, NEW YORK--A Greece man loaded his car with a shotgun, hunting knives, a flare gun, baseball bat and handcuffs and set off en route to Washington, D.C., with plans to engage law enforcement and possibly kill former Vice President Dick Cheney, according to the Secret Service. The Secret Service detained the man, Ian Rotunno, on Oct. 7 and this week charged him with threats against a former president. Rotunno told Secret Service agents that, as well as planning to kill Cheney, he intended to go to the Texas ranch of former President George W. Bush and murder him also,...