Doug Ballard

Marissa is still mad at Julie and Luke. Luke gets in a near-fatal accident. Sandy makes a choice when he can't get a liquor license because of Jimmy. Caleb proposes to Julie.

When Sandy's mother (LINDA LAVIN) visits, Seth fears she'll disapprove of Summer, who tries to prove him wrong. Marissa runs off when she finds out about Luke and Julie's affair.

As the presidential investigation intensifies, Bartlet recalls the circumstances surrounding his decision not to disclose his multiple sclerosis.