Good morning, Washington. Feeling alright? We just thought we’d ask — there are two heart-trouble-related stories in the news today, and it’s gotten us a little superstitious. First, Senator John Warner is in the hospital undergoing procedures to correct an atrial fibrillation that manifested itself yesterday morning (it sounds like he’ll be fine). Second, Etan Thomas missed the first day of Wizards training camp due to a newly-detected cardiac irregularity. There’s no word yet…

MONDAY It’s a pretty quiet Monday around town. If there’s a show you’d reccomend, let us know in the comments. TUESDAY >> The first Unbuckled was long ago, but its headliner Cedars are still going strong. Head to the Black Cat’s backstage to hear them perform material off of their new EP as they open for Dirty on Purpose. 9 p.m., $8. >> Do you have a soft spot in your heart for Lyle Lovett?…

MONDAY: >>Lucinda Williams brings her raspy voice to the D.C. tonight. Her Tom Petty-inspired brand of roots rock can be heard on her latest album, Live At The Fillmore. Or you can catch the real thing tonight at the 9:30 Club. $35, 7:30. >>Grab your Coke, gel your hair, and spend the evening with the man who made teenagers and soccer moms wear out their voting fingers in 2003. Clay Aiken at Wolf Trap, $25…