The White House wants to make it much costlier for litigants to challenge its policies. It is proving to be an uphill battle.

President Trump in a March memo ordered government lawyers to request the payment of bonds in lawsuits seeking to temporarily block his policies. The bonds, which could impose a daunting financial burden on many plaintiffs, are part of a campaign to deter what Republicans see as activist litigation and overreach by judges issuing broad injunctions against administration policies.