WASHINGTON (AP) — Majority Leader Bill Frist refused on Sunday to criticize Vice President Dick Cheney for cursing on the floor of the Senate in a confrontation with a Democratic senator. The Tennessee Republican indicated that Cheney's outburst at Sen. Patrick Leahy, D-Vt., can be attributed to political passions aroused by the election year. As vice president, Cheney acts as president of the Senate, although the majority leader has more authority over the body's operations. On Tuesday, as Cheney and the senators gathered in the chamber for a photograph, Leahy struck up a conversation. Cheney challenged the senator about his...