A delegation of U.S. senators led by John McCain arrived here today on a visit to Yemen. McCain spokeswoman Brooke Buchanan confirmed that the senators will be meeting Yemeni President Ali Abdullah Saleh. The discussions Monday would include counterterrorism cooperation and other issues of mutual interest. The American delegation has been on a Mideast trip since last week and has already made stops in Libya and Iraq. It also includes Senators Joseph Lieberman, Susan Collins and Lindsey Graham.