Republicans on the House Financial Services Committee are seeking to postpone consideration of marijuana banking legislation scheduled to be brought to vote next week by the panel’s Democratic chair, Rep. Maxine Waters of California. Ranking member Rep. Patrick McHenry of North Carolina and Rep. Blaine Luetkemeyer of Missouri wrote Ms. Waters on Thursday raising concerns about Congress potentially passing the Secure And Fair Enforcement (SAFE) Banking Act, a bipartisan proposal meant to protect banks that work with marijuana businesses in weed-friendly states. “The impact that many state laws, which have legalized marijuana, have on the federal laws governing the manufacturing,...