Overview: 2010/03/18 Headlines: Healthcare Bill Gets Boost as 2 Dems Pledge Support; Senate OKs $18B Jobs Bill; Obama Downplays Israeli Settlement Dispute; Lula Backs Palestinian Struggle in West Bank Visit; Thai Guestworker Killed in Gaza Rocket Attack; 5 Jailed US Citizens Charged in Pakistan; Penn. Regulators Probe Suspected Drilling Contamination; Senate Backs Reduction of Drug Sentencing Disparity; Report: Insurance Company Had Policy Targeting HIV-Positive Policyholders; US Reviewing Restrictions on Gay Blood Donors; Detroit to Close 44 Schools; Witnesses: Madoff Assaulted by Fellow Prisoner; Muslim Scholar to Make First US Appearance Since Lifting of Ban