"impermissibly vague in all of its applications" because it specifies "no standard of conduct." People in Interest of M.C., 2012 COA 64, 11 22, 21, 292 P.3d 1030 (internal citations omitted). The party attacking the statute "has the burden of proving it unconstitutional beyond a reasonable doubt," and "if a challenged statute is capa-bie of several constructions, one of which is constitutional, the constitutional construction must be adopted." People v. Schoondermark, 699 P.2d 411, 415 (Colo.1985). 1 42 Defendant cites no authority, nor have we found any in Colorado, suggesting that section 18-7-407 is so obviously deficient that failing to challenge its constitutionality amounts to unreasonable advocacy, as a matter of law. Cf. Page v. United States, 282 F.2d 807, 811 (8th Cir.1960) (<HOLDING>) Thus, efficiency is not the sole consideration
recognizing that a plaintiff may be able to establish that the statute is unconstitutional by showing that the statute lacks any plainly legitimate sweep  citation omitted holding that a statute must be construed so that no part of the statute is rendered surplusage or superfluous internal quotation marks and citation omitted holding that the attorney generals discretionary power to suspend deportation did not apply to aliens within the country on parole because parole by statute was not to be regarded as an admission of the alien citation and internal quotation marks omitted holding that a statute is certainly not so plainly unconstitutional that the failure of the trial court  to hold it so can be regarded as a plain error or a culpable neglect of judicial duty internal citation omitted holding that exclusion of experts opinion is proper only if it is so fundamentally unsupported that it can offer no assistance to the jury internal quotation omitted