ANNAPOLIS — Maryland health advocates are lauding Gov. Martin O'Malley’s proposal to increase the state’s cigar tax, but critics say such an increase would create another financial burden for consumers and business owners. Mr. O'Malley, a Democrat, proposed a state budget Wednesday that would raise the 15-percent excise tax on cigars, smokeless tobacco and other noncigarette tobacco items — a group collectively known as other tobacco products (OTP) — to 70 percent. The OTP tax has gone unchanged since 1999 while the cigarette tax has gone from 36 cents to $2 a pack during that period. Health advocates argue raising...